Visible light driven reduction of CO2 catalyzed by an abundant manganese catalyst with zinc porphyrin photosensitizer: Difference between revisions

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DOI 10.1016/j.apcata.2016.04.035
Authors Jun-Xiao Zhang, Chang-Ying Hu, Wei Wang, Hui Wang, Zhao-Yong Bian,
Submitted 08.05.2016
Licenses https://www.elsevier.com/tdm/userlicense/1.0/,
Subjects Process Chemistry and Technology, Catalysis
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{{#doiinfobox: 10.1016/j.apcata.2016.04.035}}
{{DOI|doi=10.1016/j.apcata.2016.04.035}}
[[Category:Photocatalytic CO2 conversion to CO]]
[[Category:Photocatalytic CO2 conversion to CO]]
[[Category:Photocatalytic CO2 conversion to HCOOH]]
[[Category:Photocatalytic CO2 conversion to HCOOH]]
{{BaseTemplate}}
{{BaseTemplate}}


==== Investigation ====
=== Abstract ===


==== Catalyst ====
==== Summary ====
A photochemical reduction of CO<sub>2</sub> was shown using the manganese catalyst {{#moleculelink:|link=ZUZWBGQHMPVNDY-UHFFFAOYSA-M|image=false|width=300|height=200}} and the zinc photosensitizer {{#moleculelink:|link=XPVVGUHKLPZAEN-DAJBKUBHSA-N|image=false|width=300|height=200}}. Turnover numbers (TONs) of 64 and 16 were reached after 180 min of irradiation for CO and formic acid, respectively. The experiments were performed using a Xenon lamp as the light source.
 
==== Advances and special progress ====
Photochemical CO<sub>2</sub> conversion in an environmentally friendly and sustainable photocatalytic system using earth abundant metal complexes efficiently yielded CO and HCOOH in aqueous acetonitrile solution.
 
==== Additional remarks ====
The manganese catalyst and the zinc photosensitizer were used in different ratios, resulting in different TONs for CO and HCOOH production.
 
=== Content of the published article in detail ===
The article contains results for the reduction of CO<sub>2</sub> to CO and HCOOH using different ratios of the catalyst and photosensitizer. The catalytic system performed best (referring to the TONs of CO and HCOOH production) for the catalyst:photosensitizer ratio of 4:1.
 
==== Catalyst====
<chemform smiles="C1C=C2C3C=CC=CN=3[Mn+]([Br-])([C-]#[O+])([C-]#[O+])([C-]#[O+])N2=CC=1" inchi="1S/C10H8N2.3CO.BrH.Mn/c1-3-7-11-9(5-1)10-6-2-4-8-12-10;3*1-2;;/h1-8H;;;;1H;/q;;;;;+1/p-1" inchikey="ZUZWBGQHMPVNDY-UHFFFAOYSA-M" height="200px" width="300px" float="none">
<chemform smiles="C1C=C2C3C=CC=CN=3[Mn+]([Br-])([C-]#[O+])([C-]#[O+])([C-]#[O+])N2=CC=1" inchi="1S/C10H8N2.3CO.BrH.Mn/c1-3-7-11-9(5-1)10-6-2-4-8-12-10;3*1-2;;/h1-8H;;;;1H;/q;;;;;+1/p-1" inchikey="ZUZWBGQHMPVNDY-UHFFFAOYSA-M" height="200px" width="300px" float="none">
   -INDIGO-05172311492D
   -INDIGO-05172311492D
Line 63: Line 75:
</chemform>
</chemform>


==== Photosensitizer ====
====Photosensitizer ====
<chemform smiles="C1=C2C(C3C=CC=CC=3)=C3C=CC4C(C5C=CC=CC=5)=C5C=CC6[N-]5[Zn+2]5(N7C(C=CC=7C=6C6C=CC=CC=6)=C(C6C=CC=CC=6)C(=C1)[N-]25)N3=4" inchi="1S/C44H28N4.Zn/c1-5-13-29(14-6-1)41-33-21-23-35(45-33)42(30-15-7-2-8-16-30)37-25-27-39(47-37)44(32-19-11-4-12-20-32)40-28-26-38(48-40)43(31-17-9-3-10-18-31)36-24-22-34(41)46-36;/h1-28H;/q-2;+2/b41-33-,41-34-,42-35-,42-37-,43-36-,43-38-,44-39-,44-40-;" inchikey="XPVVGUHKLPZAEN-DAJBKUBHSA-N" height="200px" width="300px" float="none">
<chemform smiles="C1=C2/C(/C3C=CC=CC=3)=C3\N=C(/C(/C4C=CC=CC=4)=C4\[N-]/C(=C(/C5C=CC=CC=5)\C5=N/C(=C(/C6C=CC=CC=6)\C(=C1)[N-]2)/C=C5)/C=C\4)C=C\3.[Zn+2]" inchikey="XPVVGUHKLPZAEN-DAJBKUBHSA-N" inchi="1S/C44H28N4.Zn/c1-5-13-29(14-6-1)41-33-21-23-35(45-33)42(30-15-7-2-8-16-30)37-25-27-39(47-37)44(32-19-11-4-12-20-32)40-28-26-38(48-40)43(31-17-9-3-10-18-31)36-24-22-34(41)46-36;/h1-28H;/q-2;+2/b41-33-,41-34-,42-35-,42-37-,43-36-,43-38-,44-39-,44-40-;" float="none" width="200" height="200">
   -INDIGO-05172313292D
   -INDIGO-11302313082D


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M  V30 15 N 6.09375 -6.01034 0.0 0
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M  V30 16 C 5.28627 -7.42502 0.0 0
M  V30 16 N 7.74715 -5.30724 0.0 0 CHG=-1
M  V30 17 C 4.60036 -6.68583 0.0 0
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M  V30 22 C 9.67079 -6.976 0.0 0
M  V30 22 C 6.51552 -6.63012 0.0 0
M  V30 23 C 8.91432 -7.63479 0.0 0
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M  V30 24 C 9.80967 -5.22464 0.0 0
M  V30 24 C 6.13275 -2.19316 0.0 0
M  V30 25 C 7.09741 -8.53612 0.0 0
M  V30 25 C 6.51552 -7.63012 0.0 0
M  V30 26 C 7.96399 -10.0338 0.0 0
M  V30 26 C 7.38209 -9.12778 0.0 0
M  V30 27 C 7.96425 -9.03614 0.0 0
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M  V30 28 C 7.09748 -10.5348 0.0 0
M  V30 28 C 6.51559 -9.62883 0.0 0
M  V30 29 C 6.22744 -9.03917 0.0 0
M  V30 29 C 5.64555 -8.13318 0.0 0
M  V30 30 C 6.2339 -10.0392 0.0 0
M  V30 30 C 5.65201 -9.13323 0.0 0
M  V30 31 C 10.8097 -5.22464 0.0 0
M  V30 31 C 2.54011 -4.53811 0.0 0
M  V30 32 C 12.3073 -4.35806 0.0 0
M  V30 32 C 1.04245 -5.40469 0.0 0
M  V30 33 C 11.3097 -4.3578 0.0 0
M  V30 33 C 2.04009 -5.40495 0.0 0
M  V30 34 C 12.8084 -5.22457 0.0 0
M  V30 34 C 0.541399 -4.53818 0.0 0
M  V30 35 C 11.3127 -6.09461 0.0 0
M  V30 35 C 2.03706 -3.66814 0.0 0
M  V30 36 C 12.3128 -6.08815 0.0 0
M  V30 36 C 1.037 -3.67461 0.0 0
M  V30 37 C 7.38981 -1.75305 0.0 0
M  V30 37 C 10.152 -4.36492 0.0 0
M  V30 38 C 6.52324 -0.255388 0.0 0
M  V30 38 C 11.6496 -3.49834 0.0 0
M  V30 39 C 6.52298 -1.25302 0.0 0
M  V30 39 C 10.652 -3.49808 0.0 0
M  V30 40 C 7.38974 0.245664 0.0 0
M  V30 40 C 12.1507 -4.36485 0.0 0
M  V30 41 C 8.25978 -1.24999 0.0 0
M  V30 41 C 10.655 -5.23489 0.0 0
M  V30 42 C 8.25332 -0.24994 0.0 0
M  V30 42 C 11.6551 -5.22843 0.0 0
M  V30 43 C 3.67846 -4.98275 0.0 0
M  V30 43 C 6.13275 -1.19316 0.0 0
M  V30 44 C 2.1808 -5.84933 0.0 0
M  V30 44 C 5.26618 0.304505 0.0 0
M  V30 45 C 3.17843 -5.84959 0.0 0
M  V30 45 C 5.26592 -0.693131 0.0 0
M  V30 46 C 1.67975 -4.98282 0.0 0
M  V30 46 C 6.13268 0.805557 0.0 0
M  V30 47 C 3.1754 -4.11278 0.0 0
M  V30 47 C 7.00272 -0.690101 0.0 0
M  V30 48 C 2.17535 -4.11924 0.0 0
M  V30 48 C 6.99626 0.309953 0.0 0
M  V30 49 Zn 7.3 -5.15 0.0 0 CHG=2
M  V30 49 Zn 6.4 -4.425 0.0 0 CHG=2
M  V30 END ATOM
M  V30 END ATOM
M  V30 BEGIN BOND
M  V30 BEGIN BOND
Line 127: Line 139:
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M  V30 4 1 4 2
M  V30 5 2 5 4
M  V30 5 2 5 4
M  V30 6 1 3 6
M  V30 6 1 6 10
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M  V30 12 1 12 13
M  V30 13 1 4 12
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M  V30 15 1 15 14
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M  V30 16 1 16 20
M  V30 17 1 15 13
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</chemform>
</chemform>
====Investigation====
{{#experimentlist:|form=Photocatalytic_CO2_conversion_experiments|name=Table 1}}


==== Sacrificial electron donor ====
==== Sacrificial electron donor ====
<chemform smiles="" inchi="" inchikey="ZMANZCXQSJIPKH-UHFFFAOYSA-N" height="200px" width="300px" float="none"></chemform>
In this study, triethylamine ({{#moleculelink:|link=ZMANZCXQSJIPKH-UHFFFAOYSA-N|image=false|width=300|height=200}}) was used as sacrificial electron donor.
 
==== Additives ====
In this study, no additives were used.[[Category:Publication]]

Latest revision as of 10:37, 11 April 2024


Abstract[edit | edit source]

Summary[edit | edit source]

A photochemical reduction of CO2 was shown using the manganese catalyst Mn(bpy)(CO)3Br and the zinc photosensitizer ZnTPP. Turnover numbers (TONs) of 64 and 16 were reached after 180 min of irradiation for CO and formic acid, respectively. The experiments were performed using a Xenon lamp as the light source.

Advances and special progress[edit | edit source]

Photochemical CO2 conversion in an environmentally friendly and sustainable photocatalytic system using earth abundant metal complexes efficiently yielded CO and HCOOH in aqueous acetonitrile solution.

Additional remarks[edit | edit source]

The manganese catalyst and the zinc photosensitizer were used in different ratios, resulting in different TONs for CO and HCOOH production.

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

The article contains results for the reduction of CO2 to CO and HCOOH using different ratios of the catalyst and photosensitizer. The catalytic system performed best (referring to the TONs of CO and HCOOH production) for the catalyst:photosensitizer ratio of 4:1.

Catalyst[edit | edit source]

Mn(bpy)(CO)3Br

Photosensitizer[edit | edit source]

ZnTPP

Investigation[edit | edit source]

catcat conc [µM]PSPS conc [mM]e-De-D conc [M]solvent A..λexc [nm].TON COTON HCOOH.
1.

Mn(bpy)(CO)3Br

2

ZnTPP

0.5

TEA

0.1

MeCN

xenon lamp11919
2.

Mn(bpy)(CO)3Br

1.5

ZnTPP

0.5

TEA

0.1

MeCN

xenon lamp9718
3.

Mn(bpy)(CO)3Br

0.5

ZnTPP

0.25

TEA

0.1

MeCN

xenon lamp6416
4.

Mn(bpy)(CO)3Br

0.5

ZnTPP

0.5

TEA

0.1

MeCN

xenon lamp1210
5.

Mn(bpy)(CO)3Br

0.5

ZnTPP

1

TEA

0.1

MeCN

xenon lamp86
6.

Mn(bpy)(CO)3Br

0.5


TEA

0.1

MeCN

xenon lamp21
7.


ZnTPP

0.5

TEA

0.1

MeCN

xenon lamp
Investigation-Name: Table 1

Sacrificial electron donor[edit | edit source]

In this study, triethylamine (TEA) was used as sacrificial electron donor.

Additives[edit | edit source]

In this study, no additives were used.

Investigations

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