Iron(II) bis(pyrazolyl)phenanthroline complexes as robust and efficient homogeneous catalysts for CO2-to-CO conversion under visible light: Difference between revisions

Latest revision as of 18:12, 19 June 2026

Imported from: /opt/uploadtmp/1-s2.0-S0021951726000072-main_6a355bdc524db.pdf

This paper reports a family of homogeneous iron(II) bis(pyrazolyl)phenanthroline complexes, [Fe(bpzRphen)(H2O)2]X2 (Fe1–Fe4), for visible-light-driven CO2 reduction in MeCN/H2O using [Ru(bpy)3]2+ as photosensitizer and BIH as sacrificial donor under blue-light irradiation (462 nm). All complexes produced CO as the major product with H2 as a byproduct; no significant formate or CH4 was detected. Under standard conditions (50 μM catalyst, 0.3 mM [Ru(bpy)3]2+, 0.11 M BIH, 7.5% H2O, 24 h, 308 K), Fe2 gave the highest activity (TONCO = 1318, 84% CO selectivity), while Fe4 gave the highest selectivity (TONCO = 1265, 91% CO selectivity). At lower Fe2 loading, the best reported performance reached TONCO = 23,138 with 91% CO selectivity; Fe2 also reached TONCO = 9754 after 4 h with TOFCO = 2438 h−1 and quantum yield for CO of 7.6% at 462 nm.

	cat	cat conc [µM]	PS	PS conc [mM]	e-D	e-D conc [M]	solvent A	λexc [nm]	TON CO	TON H2

1.	[[[Fe(bpzphen)(H2O)2](BF4)2 (Fe1) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	987	187	Property "Catalyst" (as page type) with input value "Fe(bpzphen)(H2O)2](BF4)2 (Fe1)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
2.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1318	243	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
3.	[[[Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	847	205	Property "Catalyst" (as page type) with input value "Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
4.	[[[Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1265	133	Property "Catalyst" (as page type) with input value "Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
5.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	311	51	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
6.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1578	296	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
7.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1593	300	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
8.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	2	22	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "" is not declared as a valid unit of measurement for this property.
9.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1352	285	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
10.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	661	191	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
11.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	621	77	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
12.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	25.0 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	2086	123	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
13.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	12.5 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	4259	276	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
14.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	6.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	10	423.7 h-1	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
15.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	3.12 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	23	964.1 h-1	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
16.	[[[Fe(bpzphen)(H2O)2](BF4)2 (Fe1) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)			Property "Catalyst" (as page type) with input value "Fe(bpzphen)(H2O)2](BF4)2 (Fe1)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.
17.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	9754		Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "%" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "absorbedphotonflux" is not declared as a valid unit of measurement for this property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
18.	[[[Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)			Property "Catalyst" (as page type) with input value "Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.
19.	[[[Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)			Property "Catalyst" (as page type) with input value "Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.
20.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	27.5 mM	MeCN	462 nm (blue LED strip)	221		Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.

Investigation-Name: inv0

Imported from: /opt/uploadtmp/1-s2.0-S0021951726000072-main_6a3558201aae4.pdf

This paper reports a family of homogeneous iron(II) bis(pyrazolyl)phenanthroline complexes, [Fe(bpzRphen)(H2O)2]X2 (Fe1–Fe4), for visible-light-driven CO2 reduction in MeCN/H2O using [Ru(bpy)3]2+ as photosensitizer and BIH as sacrificial donor. Under 462 nm blue LED irradiation, all complexes produced CO as the major product with minor H2 and no significant formate or CH4. Fe2 was the most active catalyst in the standard series screening, reaching TONCO = 1318 and 84% CO selectivity after 24 h at 50 μM catalyst. Under optimized lower loading, Fe2 reached TONCO = 23,138 after 24 h and up to 25,872 after 72 h, while a 4 h run gave TONCO = 9754, TOFCO = 2438 h−1, and total quantum yield for CO of 8.24% (7.6% also reported by actinometry). Water (7.5–10%) was essential for activity and selectivity.

	cat	cat conc [µM]	PS	PS conc [mM]	e-D	e-D conc [M]	solvent A	λexc [nm]	TON CO	TON H2

1.	[[[Fe(bpzphen)(H2O)2](BF4)2 (Fe1) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	987	187	Property "Catalyst" (as page type) with input value "Fe(bpzphen)(H2O)2](BF4)2 (Fe1)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
2.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1318	243	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
3.	[[[Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	847	205	Property "Catalyst" (as page type) with input value "Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
4.	[[[Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1265	133	Property "Catalyst" (as page type) with input value "Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
5.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	311	51	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
6.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1578	296	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
7.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1593	300	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
8.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	2	22	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "" is not declared as a valid unit of measurement for this property.
9.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1352	285	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
10.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	661	191	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
11.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	621	77	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
12.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	25.0 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	2086	123	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
13.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	12.5 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	4259	276	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
14.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	6.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	10	423.7 h-1	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
15.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	3.12 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	23	964.1 h-1	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
16.	[[[Fe(bpzphen)(H2O)2](BF4)2 (Fe1) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)			Property "Catalyst" (as page type) with input value "Fe(bpzphen)(H2O)2](BF4)2 (Fe1)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.
17.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	9754		Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "%" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "absorbedphotonflux" is not declared as a valid unit of measurement for this property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
18.	[[[Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)			Property "Catalyst" (as page type) with input value "Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.
19.	[[[Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)			Property "Catalyst" (as page type) with input value "Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.
20.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	27.5 mM	MeCN	462 nm (blue LED strip)	221		Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.

Investigation-Name: inv0

Imported from: /opt/uploadtmp/1-s2.0-S0021951726000072-main_6a35513256656.pdf

This paper reports a family of homogeneous Fe(II) bis(pyrazolyl)phenanthroline complexes, [Fe(bpzRphen)(H2O)2]X2 (Fe1–Fe4), for visible-light-driven CO2 reduction in MeCN/H2O using [Ru(bpy)3]2+ as photosensitizer and BIH as sacrificial donor. Under blue-light irradiation (462 nm), all complexes produced CO as the major product with minor H2 and no significant formate or CH4. At 50 μM catalyst, Fe2 gave the highest activity (TONCO 1318, 84% CO selectivity), while Fe4 gave the highest selectivity (TONCO 1265, 91% CO selectivity). Optimization with Fe2 showed strong dependence on catalyst loading, irradiation time, water content, and BIH concentration. The best reported performance was obtained at low catalyst loading, where Fe2 reached TONCO 23,138 after 24 h and TONCO 9754 after 4 h with TOFCO 2438 h−1. A CO quantum yield of 7.6% at 462 nm was explicitly reported for Fe2 under low loading.

	cat	cat conc [µM]	PS	PS conc [mM]	e-D	e-D conc [M]	solvent A	λexc [nm]	TON CO	TON H2

1.	[[[Fe(bpzphen)(H2O)2](BF4)2 (Fe1) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	987	187	Property "Catalyst" (as page type) with input value "Fe(bpzphen)(H2O)2](BF4)2 (Fe1)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
2.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1318	243	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
3.	[[[Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	847	205	Property "Catalyst" (as page type) with input value "Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
4.	[[[Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1265	133	Property "Catalyst" (as page type) with input value "Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
5.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	311	51	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
6.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1578	296	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
7.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1593	300	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
8.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	2	22	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "" is not declared as a valid unit of measurement for this property.
9.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1352	285	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
10.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	661	191	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
11.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	621	77	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
12.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	25.0 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	2086	123	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
13.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	12.5 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	4259	276	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
14.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	6.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	10	423.7 h-1	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
15.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	3.12 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	23	964.1 h-1	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
16.	[[[Fe(bpzphen)(H2O)2](BF4)2 (Fe1) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)			Property "Catalyst" (as page type) with input value "Fe(bpzphen)(H2O)2](BF4)2 (Fe1)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.
17.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	9754		Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "%" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "absorbedphotonflux" is not declared as a valid unit of measurement for this property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
18.	[[[Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)			Property "Catalyst" (as page type) with input value "Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.
19.	[[[Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)			Property "Catalyst" (as page type) with input value "Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.
20.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	27.5 mM	MeCN	462 nm (blue LED strip)	221		Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.

Investigation-Name: inv0

Imported from: /opt/uploadtmp/1-s2.0-S0021951726000072-main_6a355df670af9.pdf

This paper reports a family of homogeneous iron(II) bis(pyrazolyl)phenanthroline complexes, [Fe(bpzRphen)(H2O)2]X2 (Fe1–Fe4), for visible-light-driven CO2 reduction to CO using [Ru(bpy)3]2+ as photosensitizer and BIH as sacrificial electron donor in MeCN/H2O. All four complexes are active and selective for CO formation under 462 nm LED irradiation. Under the standard conditions (50 μM catalyst, 0.3 mM [Ru(bpy)3]2+, 0.11 M BIH, CO2-saturated MeCN/H2O, 308 K, 24 h), Fe2 gave the highest activity (TONCO = 1318, 84% CO selectivity), while Fe4 gave the highest selectivity in the series (TONCO = 1265, 91% CO selectivity). At lower Fe2 loading (3.12 μM), the system reached TONCO = 23,138 after 24 h and TONCO = 9754 after 4 h, with a total quantum yield of 8.24% reported in the abstract and 7.6% at 462 nm in the main text.

	cat	cat conc [µM]	PS	PS conc [mM]	e-D	e-D conc [M]	solvent A	λexc [nm]	TON CO	TON H2

1.	[[[Fe(bpzphen)(H2O)2](BF4)2 (Fe1) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	987	187	Property "Catalyst" (as page type) with input value "Fe(bpzphen)(H2O)2](BF4)2 (Fe1)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
2.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1318	243	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
3.	[[[Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	847	205	Property "Catalyst" (as page type) with input value "Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
4.	[[[Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1265	133	Property "Catalyst" (as page type) with input value "Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
5.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	311	51	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
6.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1578	296	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
7.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1593	300	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
8.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	2	22	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "" is not declared as a valid unit of measurement for this property.
9.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	1352	285	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
10.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	661	191	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
11.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	621	77	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
12.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	25.0 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	2086	123	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
13.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	12.5 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	4259	276	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
14.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	6.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	10	423.7 h-1	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
15.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	3.12 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	23	964.1 h-1	Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
16.	[[[Fe(bpzphen)(H2O)2](BF4)2 (Fe1) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)			Property "Catalyst" (as page type) with input value "Fe(bpzphen)(H2O)2](BF4)2 (Fe1)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.
17.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)	9754		Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "%" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "absorbedphotonflux" is not declared as a valid unit of measurement for this property. "°C" can not be assigned to a declared number type with value 35. "h-1" is not declared as a valid unit of measurement for this property.
18.	[[[Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)			Property "Catalyst" (as page type) with input value "Fe(bpzPhphen)(H2O)2](ClO4)2 (Fe3)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.
19.	[[[Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4) ]]	3.25 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	0.11 M	MeCN	462 nm (blue LED strip)			Property "Catalyst" (as page type) with input value "Fe(bpzCF3phen)(H2O)2](ClO4)2 (Fe4)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.
20.	[[[Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2) ]]	50 μM	[[[Ru(bpy)3]2+ ]]	0.3 mM	BIH	27.5 mM	MeCN	462 nm (blue LED strip)	221		Property "Catalyst" (as page type) with input value "Fe(bpzMe2phen)(H2O)2](BF4)2 (Fe2)" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "μM" is not declared as a valid unit of measurement for this property. Property "Photosensitizer" (as page type) with input value "Ru(bpy)3]2+" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process. "Molecule:" is not declared as a valid unit of measurement for this property. "CO2-saturated CO2" is not in the list (nitrogen, argon, CO2, CO, O2, H2, none) of allowed values for the "Feedstock gas" property. "°C" can not be assigned to a declared number type with value 35.

Investigation-Name: inv0

Investigations

inv0 (Molecular process, Photocatalytic CO2 conversion experiments)

DOI	10.1016/j.jcat.2026.116673
Authors	Jorge Ferreira Jr., Gabriela Uez, Arthur L. Schmidt, Camila Ebersol, Bianca T. Dalberto, Daniel F. Pietezak, Robson S. Oliboni, Angélica V. Moro, Diogo S. Lüdtke, Adriana C.A. Casagrande, Fabiano S. Rodembusch, Pedro Migowski, Osvaldo L. Casagrande,
Submitted	06.01.2026
Licenses	https://www.elsevier.com/tdm/userlicense/1.0/, https://www.elsevier.com/legal/tdmrep-license, http://creativecommons.org/licenses/by/4.0/,
Subjects	-
Go to literature page

DOI	10.1016/j.jcat.2026.116673
Authors	Jorge Ferreira Jr., Gabriela Uez, Arthur L. Schmidt, Camila Ebersol, Bianca T. Dalberto, Daniel F. Pietezak, Robson S. Oliboni, Angélica V. Moro, Diogo S. Lüdtke, Adriana C.A. Casagrande, Fabiano S. Rodembusch, Pedro Migowski, Osvaldo L. Casagrande,
Submitted	06.01.2026
Licenses	https://www.elsevier.com/tdm/userlicense/1.0/, https://www.elsevier.com/legal/tdmrep-license, http://creativecommons.org/licenses/by/4.0/,
Subjects	-
Go to literature page

DOI	10.1016/j.jcat.2026.116673
Authors	Jorge Ferreira Jr., Gabriela Uez, Arthur L. Schmidt, Camila Ebersol, Bianca T. Dalberto, Daniel F. Pietezak, Robson S. Oliboni, Angélica V. Moro, Diogo S. Lüdtke, Adriana C.A. Casagrande, Fabiano S. Rodembusch, Pedro Migowski, Osvaldo L. Casagrande,
Submitted	06.01.2026
Licenses	https://www.elsevier.com/tdm/userlicense/1.0/, https://www.elsevier.com/legal/tdmrep-license, http://creativecommons.org/licenses/by/4.0/,
Subjects	-
Go to literature page

DOI	10.1016/j.jcat.2026.116673
Authors	Jorge Ferreira Jr., Gabriela Uez, Arthur L. Schmidt, Camila Ebersol, Bianca T. Dalberto, Daniel F. Pietezak, Robson S. Oliboni, Angélica V. Moro, Diogo S. Lüdtke, Adriana C.A. Casagrande, Fabiano S. Rodembusch, Pedro Migowski, Osvaldo L. Casagrande,
Submitted	06.01.2026
Licenses	https://www.elsevier.com/tdm/userlicense/1.0/, https://www.elsevier.com/legal/tdmrep-license, http://creativecommons.org/licenses/by/4.0/,
Subjects	-
Go to literature page

@@ Line 1: / Line 1: @@
+Imported from: /opt/uploadtmp/1-s2.0-S0021951726000072-main_6a355bdc524db.pdf
+{{BaseTemplate}}
+{{DOI|doi=10.1016/j.jcat.2026.116673}}
+This paper reports a family of homogeneous iron(II) bis(pyrazolyl)phenanthroline complexes, [Fe(bpzRphen)(H2O)2]X2 (Fe1–Fe4), for visible-light-driven CO2 reduction in MeCN/H2O using [Ru(bpy)3]2+ as photosensitizer and BIH as sacrificial donor under blue-light irradiation (462 nm). All complexes produced CO as the major product with H2 as a byproduct; no significant formate or CH4 was detected. Under standard conditions (50 μM catalyst, 0.3 mM [Ru(bpy)3]2+, 0.11 M BIH, 7.5% H2O, 24 h, 308 K), Fe2 gave the highest activity (TONCO = 1318, 84% CO selectivity), while Fe4 gave the highest selectivity (TONCO = 1265, 91% CO selectivity). At lower Fe2 loading, the best reported performance reached TONCO = 23,138 with 91% CO selectivity; Fe2 also reached TONCO = 9754 after 4 h with TOFCO = 2438 h−1 and quantum yield for CO of 7.6% at 462 nm.
+{{#experimentlist:|form=Photocatalytic_CO2_conversion_experiments|name=inv0}}
+[[Category:Photocatalytic CO2 conversion]]
+Imported from: /opt/uploadtmp/1-s2.0-S0021951726000072-main_6a3558201aae4.pdf
+{{BaseTemplate}}
+{{DOI|doi=10.1016/j.jcat.2026.116673}}
+This paper reports a family of homogeneous iron(II) bis(pyrazolyl)phenanthroline complexes, [Fe(bpzRphen)(H2O)2]X2 (Fe1–Fe4), for visible-light-driven CO2 reduction in MeCN/H2O using [Ru(bpy)3]2+ as photosensitizer and BIH as sacrificial donor. Under 462 nm blue LED irradiation, all complexes produced CO as the major product with minor H2 and no significant formate or CH4. Fe2 was the most active catalyst in the standard series screening, reaching TONCO = 1318 and 84% CO selectivity after 24 h at 50 μM catalyst. Under optimized lower loading, Fe2 reached TONCO = 23,138 after 24 h and up to 25,872 after 72 h, while a 4 h run gave TONCO = 9754, TOFCO = 2438 h−1, and total quantum yield for CO of 8.24% (7.6% also reported by actinometry). Water (7.5–10%) was essential for activity and selectivity.
+{{#experimentlist:|form=Photocatalytic_CO2_conversion_experiments|name=inv0}}
+[[Category:Photocatalytic CO2 conversion]]
+Imported from: /opt/uploadtmp/1-s2.0-S0021951726000072-main_6a35513256656.pdf
+{{BaseTemplate}}
+{{DOI|doi=10.1016/j.jcat.2026.116673}}
+This paper reports a family of homogeneous Fe(II) bis(pyrazolyl)phenanthroline complexes, [Fe(bpzRphen)(H2O)2]X2 (Fe1–Fe4), for visible-light-driven CO2 reduction in MeCN/H2O using [Ru(bpy)3]2+ as photosensitizer and BIH as sacrificial donor. Under blue-light irradiation (462 nm), all complexes produced CO as the major product with minor H2 and no significant formate or CH4. At 50 μM catalyst, Fe2 gave the highest activity (TONCO 1318, 84% CO selectivity), while Fe4 gave the highest selectivity (TONCO 1265, 91% CO selectivity). Optimization with Fe2 showed strong dependence on catalyst loading, irradiation time, water content, and BIH concentration. The best reported performance was obtained at low catalyst loading, where Fe2 reached TONCO 23,138 after 24 h and TONCO 9754 after 4 h with TOFCO 2438 h−1. A CO quantum yield of 7.6% at 462 nm was explicitly reported for Fe2 under low loading.
+{{#experimentlist:|form=Photocatalytic_CO2_conversion_experiments|name=inv0}}
+[[Category: Homogeneous photocatalytic CO2 conversion]]
+[[Category: Photocatalytic CO2 conversion]]
+[[Category: CO2 conversion]]
+[[Category: Photocatalytic CO2 conversion to CO]]
+[[Category: CO conversion]]
 Imported from: /opt/uploadtmp/1-s2.0-S0021951726000072-main_6a355df670af9.pdf

Iron(II) bis(pyrazolyl)phenanthroline complexes as robust and efficient homogeneous catalysts for CO2-to-CO conversion under visible light: Difference between revisions

Latest revision as of 18:12, 19 June 2026

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