Rhenium(I) trinuclear rings as highly efficient redox photosensitizers for photocatalytic CO2 reduction: Difference between revisions

Latest revision as of 13:46, 3 May 2024

A photochemical reduction of CO₂ to CO or formic acid was shown using the bipyridine-based rhenium, ruthenium and manganese catalysts [Re(bpy)(CO)3(MeCN)][PF6], Ru(dtBubpy)(CO)2Cl2 or [Mn(dtBubpy)(CO)3(MeCN)][PF6] in combination with cyclic rhenium-based trinuclear redox photosensitizers. Turnover numbers (TONs) of up to 290 for formic acid were reached in DMA with the ruthenium complex Ru(dtBubpy)(CO)2Cl2 and photosensitizer 100877. For CO production, TONs of up to 98 were obtained in DMF with the rhenium complex [Re(bpy)(CO)3(MeCN)][PF6] and photosensitizer 100878. The experiments were conducted under visible-light irradiation (λ = 436 nm) using TEOA as sacrificial electron donor (see section SEDs below).

Advances and special progress[edit | edit source]

Re(I)-based trinuclear photosensitizers were developed and allowed for high product selectivities for CO or formic acid in CO₂ reduction attempts with different bipyridine-based catalysts.

Additional remarks[edit | edit source]

Content of the published article in detail[edit | edit source]

The article contains results for the reduction of CO₂ to CO or formic acid under visible-light catalysis using bipyridine-based complexes and rhenium-based trinuclear rings as photosensitizers. The catalytic system performs best in DMA for formic acid production (referring to the TON of formic acid production) and in DMF for CO production.

Catalyst[edit | edit source]

[Re(bpy)(CO)3(MeCN)][PF6] Ru(dtBubpy)(CO)2Cl2 [Mn(dtBubpy)(CO)3(MeCN)][PF6]

Photosensitizer[edit | edit source]

100730 [Show R-Groups]

Investigation[edit | edit source]

	cat	cat conc [µM]	PS	PS conc [mM]	solvent A	λexc [nm]	TON CO
1.	[Re(bpy)(CO)3(MeCN)][PF6]	0.05	Molecule:100878	0.05	DMF	436	27
2.	[Re(bpy)(CO)3(MeCN)][PF6]	0.05	Molecule:100878	0.05	DMF	436	98
3.	[Re(bpy)(CO)3(MeCN)][PF6]	0.05	Molecule:100877	0.05	DMF	436	22
4.	[Re(bpy)(CO)3(MeCN)][PF6]	0.05	Molecule:100877	0.05	DMF	436	71
5.			Molecule:100877	0.05	DMF	436	6
6.			Molecule:100877	0.05	DMF	436	8
7.	[Re(bpy)(CO)3(MeCN)][PF6]	0.05	Molecule:100879	0.05	DMF	436	20
8.	[Re(bpy)(CO)3(MeCN)][PF6]	0.05	Molecule:100879	0.05	DMF	436	32
9.	[Re(bpy)(CO)3(MeCN)][PF6]	0.05	Molecule:100880	0.05	DMF	436	11
10.	[Re(bpy)(CO)3(MeCN)][PF6]	0.05	Molecule:100880	0.05	DMF	436	48

Investigation-Name: Table 1

	cat	cat conc [µM]	PS	PS conc [mM]	e-D	e-D conc [M]	solvent A	λexc [nm]	TON CO	TON H2	TON HCOOH
1.	Ru(dtBubpy)(CO)2Cl2	0.05	Molecule:100877	0.05			DMF	436	20	72	290
2.	Ru(dtBubpy)(CO)2Cl2	0.05	Molecule:100877	0.05	BI(OH)H	0.03	DMF	436	16	49	280
3.	[Mn(dtBubpy)(CO)3(MeCN)][PF6]	0.05	Molecule:100877	0.05			DMF	436	32		85
4.	[Mn(dtBubpy)(CO)3(MeCN)][PF6]	0.05	Molecule:100877	0.05	BI(OH)H	0.03	DMF	436	80		60

Investigation-Name: Table 2

Sacrificial Electron Donor[edit | edit source]

In this study, the experiments were done with the sacrificial electron donor TEOA (100507).

Additives[edit | edit source]

In this study, no additives were tested.

Investigations

Table 1 (Molecular process, Photocatalytic CO2 conversion experiments)
Table 2 (Molecular process, Photocatalytic CO2 conversion experiments)

DOI	10.1039/c6sc01913g
Authors	Jana Rohacova, Osamu Ishitani,
Submitted	05.07.2016
Published online	2016
Licenses	-
Subjects	-
Go to literature page

@@ Line 1: / Line 1: @@
-{{FaultyMolecule}}{{BaseTemplate}}
+{{BaseTemplate}}
-{{DOI|doi=10.1039/c6sc01913g}}{{MissingInvestigation}}
+{{DOI|doi=10.1039/c6sc01913g}}
 ===Abstract===
 ==== Summary====
-A photochemical reduction of CO<sub>2</sub> to CO or formic acid was shown using the bipyridine-based rhenium, ruthenium and manganese catalysts {{#moleculelink:|link=NZCMNMSVXYOMGS-UHFFFAOYSA-N|image=false|width=300|height=200}}, {{#moleculelink:|link=XUQJAKJUMNDNTK-UHFFFAOYSA-L|image=false|width=300|height=200}} or {{#moleculelink: |link=OMERWMHUIAGAOR-UHFFFAOYSA-N|image=false|width=300|height=200}} in combination with cyclic rhenium-based trinuclear redox photosensitizers. Turnover numbers (TONs) of  up to 290 for formic acid were reached in DMA with the ruthenium complex {{#moleculelink:|link=XUQJAKJUMNDNTK-UHFFFAOYSA-L|image=false|width=300|height=200}} and photosensitizer {{#moleculelink:|link=KSOIVZAANOLODS-UHFFFAOYSA-T|image=false|width=300|height=200}}. For CO production, TONs of up to 98 were obtained in DMF with the rhenium complex {{#moleculelink:|link=NZCMNMSVXYOMGS-UHFFFAOYSA-N|image=false|width=300|height=200}} and photosensitizer {{#moleculelink:|link=LOLRMPNEYKEGPF-UHFFFAOYSA-T|image=false|width=300|height=200}}. The experiments were conducted under visible-light irradiation (λ = 436 nm) using TEOA as sacrificial electron donor (see section SEDs below).
+A photochemical reduction of CO<sub>2</sub> to CO or formic acid was shown using the bipyridine-based rhenium, ruthenium and manganese catalysts {{#moleculelink:|link=NZCMNMSVXYOMGS-UHFFFAOYSA-N|image=false|width=300|height=200}}, {{#moleculelink: |link=XUQJAKJUMNDNTK-UHFFFAOYSA-L|image=false|width=300|height=200}} or {{#moleculelink: |link=OMERWMHUIAGAOR-UHFFFAOYSA-N|image=false|width=300|height=200}} in combination with cyclic rhenium-based trinuclear redox photosensitizers. Turnover numbers (TONs) of  up to 290 for formic acid were reached in DMA with the ruthenium complex {{#moleculelink: |link=XUQJAKJUMNDNTK-UHFFFAOYSA-L|image=false|width=300|height=200}} and photosensitizer {{#moleculelink: |link=JLRZSCLFGATQEH-UHFFFAOYSA-T|image=false|width=300|height=200}}. For CO production, TONs of up to 98 were obtained in DMF with the rhenium complex {{#moleculelink:|link=NZCMNMSVXYOMGS-UHFFFAOYSA-N|image=false|width=300|height=200}} and photosensitizer {{#moleculelink: |link=LKSLWZSWOWNWCR-UHFFFAOYSA-T|image=false|width=300|height=200}}. The experiments were conducted under visible-light irradiation (λ = 436 nm) using TEOA as sacrificial electron donor (see section SEDs below).
 ====Advances and special progress====
 Re(I)-based trinuclear photosensitizers were developed and allowed for high product selectivities for CO or formic acid in CO<sub>2</sub> reduction attempts with different bipyridine-based catalysts.
@@ Line 82: / Line 82: @@
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@@ Line 240: / Line 240: @@
 ====Photosensitizer ====
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@@ Line 602: / Line 641: @@
 ==== Additives====
 In this study, no additives were tested.
-[[Category:Photocatalytic CO2 conversion to HCOOH]]
+[[Category:Photocatalytic CO2 conversion to HCOOH]][[Category:Publication]]

Rhenium(I) trinuclear rings as highly efficient redox photosensitizers for photocatalytic CO2 reduction: Difference between revisions

Latest revision as of 13:46, 3 May 2024

Contents

Abstract[edit | edit source]

Summary[edit | edit source]

Advances and special progress[edit | edit source]

Additional remarks[edit | edit source]

Content of the published article in detail[edit | edit source]

Catalyst[edit | edit source]

Photosensitizer[edit | edit source]

Investigation[edit | edit source]

Sacrificial Electron Donor[edit | edit source]

Additives[edit | edit source]

Investigations

Topics

Rhenium(I) trinuclear rings as highly efficient redox photosensitizers for photocatalytic CO2 reduction: Difference between revisions

Latest revision as of 13:46, 3 May 2024

Abstract[edit | edit source]

Summary[edit | edit source]

Advances and special progress[edit | edit source]

Additional remarks[edit | edit source]

Content of the published article in detail[edit | edit source]

Catalyst[edit | edit source]

Photosensitizer[edit | edit source]

Investigation[edit | edit source]

Sacrificial Electron Donor[edit | edit source]

Additives[edit | edit source]

Investigations

Current site

Topics