Visible-Light Photocatalytic Reduction of CO2 to Formic Acid with a Ru Catalyst Supported by N,N’- Bis(diphenylphosphino)-2,6-diaminopyridine Ligands: Difference between revisions

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DOI 10.1002/cssc.201901326
Authors Yasmeen Hameed, Gyandshwar Kumar Rao, Jeffrey S. Ovens, Bulat Gabidullin, Darrin Richeson,
Submitted 11.06.2019
Published online 03.07.2019
Licenses http://onlinelibrary.wiley.com/termsAndConditions#vor, http://doi.wiley.com/10.1002/tdm_license_1.1,
Subjects General Energy, General Materials Science, General Chemical Engineering, Environmental Chemistry
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{{#doiinfobox: 10.1002/cssc.201901326}}
{{DOI|doi=10.1002/cssc.201901326}}
[[Category:Photocatalytic CO2 conversion to HCOOH]]
[[Category:Photocatalytic CO2 conversion to HCOOH]]
{{BaseTemplate}}
===Abstract===
====Summary====
A photochemical reduction of CO<sub>2</sub> to formic acid was shown using the ruthenium pincer complexes {{#moleculelink: |link=RQVVTEHURKEOIA-UHFFFAOYSA-M|image=false|width=300|height=200}} and {{#moleculelink: |link=XNTONGVEYKVCNE-UHFFFAOYSA-M|image=false|width=300|height=200}} as catalyst in combination with the ruthenium-based photosensitizer {{#moleculelink:|link=KLDYQWXVZLHTKT-UHFFFAOYSA-N|image=false|width=300|height=200}}. Turnover numbers (TONs) of 380 for formic acid were reached in dimethylformamide with complex {{#moleculelink: |link=XNTONGVEYKVCNE-UHFFFAOYSA-M|image=false|width=300|height=200}}. The experiments were conducted under visible-light irradiation (λ = 405 nm) using TEOA as sacrificial electron donor (see section SEDs below).
====Advances and special progress====
The authors report a novel molecular architecture for a ruthenium photocatalyst active in the reduction of CO<sub>2</sub> to formic acid, displaying competitive TONs and quantum yields up to 14%.


<chemform smiles="C1C2N([*])P([Ru]3(P(C4C=CC=CC=4)(C4C=CC=CC=4)N([*])C(N=23)=CC=1)(Cl)(C#O)C#O)(C1C=CC=CC=1)C1C=CC=CC=1" inchi="" inchikey="" height="200px" width="300px" float="none" r1="H,Me">
====Additional remarks====
   -INDIGO-02132315442D
===Content of the published article in detail===
The article contains results for the reduction of CO<sub>2</sub> to formic acid under visible-light catalysis using ruthenium complexes as catalysts. The catalytic system performs best (referring to the TON of formic acid production) with complex {{#moleculelink: |link=XNTONGVEYKVCNE-UHFFFAOYSA-M|image=false|width=300|height=200}} in dimethylformamide.
==== Catalyst====
<chemform smiles="C1C2N([*])P(C3C=CC=CC=3)(C3C=CC=CC=3)[Ru+]([C-]#[O+])([C-]#[O+])3P(C4C=CC=CC=4)(C4C=CC=CC=4)N([*])C(N=23)=CC=1.[Cl-]" inchikey="" inchi="" float="none" width="200" height="200" r1="H,Me">
   -INDIGO-01112413302D


   0  0  0  0  0  0  0  0  0  0  0 V3000
   0  0  0  0  0  0  0  0  0  0  0 V3000
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M  V30 BEGIN CTAB
M  V30 COUNTS 42 48 4 0 0
M  V30 COUNTS 42 47 0 0 0
M  V30 BEGIN ATOM
M  V30 BEGIN ATOM
M  V30 1 C 7.95985 -2.27507 0.0 0
M  V30 1 Cl 10.925 -1.975 0.0 0 CHG=-1
M  V30 2 C 9.69015 -2.27459 0.0 0
M  V30 2 C 7.95985 -2.27507 0.0 0
M  V30 3 C 8.82664 -1.77497 0.0 0
M  V30 3 C 9.69015 -2.27459 0.0 0
M  V30 4 C 9.69015 -3.27553 0.0 0
M  V30 4 C 8.82664 -1.77497 0.0 0
M  V30 5 C 7.95985 -3.28002 0.0 0
M  V30 5 C 9.69015 -3.27553 0.0 0
M  V30 6 N 8.82882 -3.77503 0.0 0
M  V30 6 C 7.95985 -3.28002 0.0 0
M  V30 7 N 7.09528 -3.78253 0.0 0
M  V30 7 N 8.82882 -3.77503 0.0 0
M  V30 8 N 10.5567 -3.7747 0.0 0
M  V30 8 N 7.09528 -3.78253 0.0 0
M  V30 9 P 7.09528 -4.78253 0.0 0
M  V30 9 N 10.5567 -3.7747 0.0 0
M  V30 10 P 10.5567 -4.7747 0.0 0
M  V30 10 P 7.09528 -4.78253 0.0 0
M  V30 11 R# 11.4227 -3.2747 0.0 0 RGROUPS=(1 1)
M  V30 11 P 10.5567 -4.7747 0.0 0
M  V30 12 R# 6.22925 -3.28253 0.0 0 RGROUPS=(1 1)
M  V30 12 R# 11.4227 -3.2747 0.0 0 RGROUPS=(1 1)
M  V30 13 C 6.09528 -4.78253 0.0 0
M  V30 13 R# 6.22925 -3.28253 0.0 0 RGROUPS=(1 1)
M  V30 14 C 6.38817 -5.48963 0.0 0
M  V30 14 Ru 8.825 -4.85 0.0 0 CHG=1
M  V30 15 C 11.2638 -5.48181 0.0 0
M  V30 15 C 11.5226 -4.51588 0.0 0
M  V30 16 C 11.5567 -4.7747 0.0 0
M  V30 16 C 6.12935 -4.52371 0.0 0
M  V30 17 Ru 8.825 -4.85 0.0 0
M  V30 17 C 12.745 -3.29121 0.0 0
M  V30 18 C 8.325 -5.71603 0.0 0
M  V30 18 C 11.7813 -3.54917 0.0 0
M  V30 19 C 9.325 -5.71603 0.0 0
M  V30 19 C 13.4532 -3.99851 0.0 0
M  V30 20 Cl 9.53211 -4.14289 0.0 0
M  V30 20 C 12.2337 -5.22601 0.0 0
M  V30 21 O 8.325 -6.71603 0.0 0
M  V30 21 C 13.198 -4.96093 0.0 0
M  V30 22 O 9.325 -6.71603 0.0 0
M  V30 22 C 4.45844 -4.97313 0.0 0
M  V30 23 C 12.231 -5.22465 0.0 0
M  V30 23 C 5.42201 -5.23159 0.0 0
M  V30 24 C 12.9351 -5.92876 0.0 0
M  V30 24 C 4.19873 -4.00647 0.0 0
M  V30 25 C 12.6799 -6.89577 0.0 0
M  V30 25 C 5.8686 -3.55318 0.0 0
M  V30 26 C 11.7088 -7.15396 0.0 0
M  V30 26 C 4.90095 -3.30059 0.0 0
M  V30 27 C 11.0028 -6.44474 0.0 0
M  V30 27 C 6.59528 -5.64856 0.0 0
M  V30 28 C 12.0588 -3.9089 0.0 0
M  V30 28 C 6.59693 -7.37886 0.0 0
M  V30 29 C 13.0545 -3.90893 0.0 0
M  V30 29 C 7.09597 -6.51501 0.0 0
M  V30 30 C 13.5579 -4.77313 0.0 0
M  V30 30 C 5.59598 -7.37953 0.0 0
M  V30 31 C 13.0538 -5.64238 0.0 0
M  V30 31 C 5.59033 -5.64923 0.0 0
M  V30 32 C 12.053 -5.64015 0.0 0
M  V30 32 C 5.0959 -6.51853 0.0 0
M  V30 33 C 5.59316 -5.64832 0.0 0
M  V30 33 C 11.0567 -5.64073 0.0 0
M  V30 34 C 4.59742 -5.6483 0.0 0
M  V30 34 C 12.556 -6.50445 0.0 0
M  V30 35 C 4.09405 -4.78409 0.0 0
M  V30 35 C 12.0574 -5.64034 0.0 0
M  V30 36 C 4.59818 -3.91484 0.0 0
M  V30 36 C 12.0561 -7.37163 0.0 0
M  V30 37 C 5.59893 -3.91708 0.0 0
M  V30 37 C 10.5548 -6.51137 0.0 0
M  V30 38 C 6.64533 -6.4569 0.0 0
M  V30 38 C 11.0604 -7.37421 0.0 0
M  V30 39 C 5.94122 -7.16097 0.0 0
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M  V30 40 C 9.45 -5.96603 0.0 0 CHG=-1
M  V30 41 C 4.71601 -5.9347 0.0 0
M  V30 41 O 7.725 -6.83205 0.0 0 CHG=1
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M  V30 END ATOM
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M  V30 7 1 6 8
M  V30 8 1 5 9
M  V30 9 1 8 10
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M  V30 38 2 35 33
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M  V30 40 1 33 37
M  V30 41 1 34 35
M  V30 42 2 37 38
M  V30 43 1 38 36
M  V30 44 10 14 39
M  V30 45 10 14 40
M  V30 46 3 39 41
M  V30 47 3 40 42
M  V30 END BOND
M  V30 END CTAB
M  END
</chemform>
 
====Photosensitizer====
<chemform smiles="C1C=CN2[Ru+2]3(N4=CC=CC=C4C4=CC=CC=N43)(N3=CC=CC=C3C=2C=1)1N2C(C3N1=CC=CC=3)=CC=CC=2.[P-](F)(F)(F)(F)(F)F.[P-](F)(F)(F)(F)(F)F" inchi="1S/3C10H8N2.2F6P.Ru/c3*1-3-7-11-9(5-1)10-6-2-4-8-12-10;2*1-7(2,3,4,5)6;/h3*1-8H;;;/q;;;2*-1;+2" inchikey="KLDYQWXVZLHTKT-UHFFFAOYSA-N" height="200px" width="300px" float="none">
  -INDIGO-11272316292D
 
  0  0  0  0  0  0  0  0  0  0  0 V3000
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M  V30 COUNTS 51 57 0 0 0
M  V30 BEGIN ATOM
M  V30 1 C 8.40037 -1.10079 0.0 0
M  V30 2 C 9.26594 -2.59904 0.0 0
M  V30 3 C 9.26687 -1.6014 0.0 0
M  V30 4 N 8.3991 -3.09951 0.0 0
M  V30 5 C 7.53006 -1.60327 0.0 0
M  V30 6 C 7.53586 -2.60333 0.0 0
M  V30 7 C 10.132 -3.09904 0.0 0
M  V30 8 C 11.8623 -3.09739 0.0 0
M  V30 9 C 10.9984 -2.59835 0.0 0
M  V30 10 C 11.8629 -4.09833 0.0 0
M  V30 11 N 10.1326 -4.10398 0.0 0
M  V30 12 C 11.0019 -4.59841 0.0 0
M  V30 13 N 10.1848 -6.15007 0.0 0
M  V30 14 C 11.9152 -6.14959 0.0 0
M  V30 15 C 11.0516 -5.64997 0.0 0
M  V30 16 C 11.9152 -7.15053 0.0 0
M  V30 17 C 10.1848 -7.15502 0.0 0
M  V30 18 C 11.0538 -7.65003 0.0 0
M  V30 19 C 9.31882 -7.65502 0.0 0
M  V30 20 C 8.4551 -9.15433 0.0 0
M  V30 21 C 9.31921 -8.65573 0.0 0
M  V30 22 C 7.58792 -8.65444 0.0 0
M  V30 23 N 8.44818 -7.15313 0.0 0
M  V30 24 C 7.58534 -7.65875 0.0 0
M  V30 25 C 4.83485 -6.20007 0.0 0
M  V30 26 N 6.56515 -6.19959 0.0 0
M  V30 27 C 5.70164 -5.69997 0.0 0
M  V30 28 C 6.56515 -7.20053 0.0 0
M  V30 29 C 4.83485 -7.20502 0.0 0
M  V30 30 C 5.70382 -7.70003 0.0 0
M  V30 31 C 5.70164 -4.69997 0.0 0
M  V30 32 C 4.83506 -3.20231 0.0 0
M  V30 33 C 4.8348 -4.19994 0.0 0
M  V30 34 C 5.70157 -2.70125 0.0 0
M  V30 35 N 6.57161 -4.19691 0.0 0
M  V30 36 C 6.56515 -3.19686 0.0 0
M  V30 37 Ru 8.44661 -5.11294 0.0 0 CHG=2
M  V30 38 P 14.442 -2.725 0.0 0 CHG=-1
M  V30 39 F 15.308 -2.225 0.0 0
M  V30 40 F 13.576 -2.225 0.0 0
M  V30 41 F 14.442 -3.725 0.0 0
M  V30 42 F 15.308 -3.225 0.0 0
M  V30 43 F 14.442 -1.725 0.0 0
M  V30 44 F 13.576 -3.225 0.0 0
M  V30 45 P 14.5 -5.675 0.0 0 CHG=-1
M  V30 46 F 15.366 -5.175 0.0 0
M  V30 47 F 13.634 -5.175 0.0 0
M  V30 48 F 14.5 -6.675 0.0 0
M  V30 49 F 15.366 -6.175 0.0 0
M  V30 50 F 14.5 -4.675 0.0 0
M  V30 51 F 13.634 -6.175 0.0 0
M  V30 END ATOM
M  V30 END ATOM
M  V30 BEGIN BOND
M  V30 BEGIN BOND
Line 60: Line 181:
M  V30 5 2 5 6
M  V30 5 2 5 6
M  V30 6 1 6 4
M  V30 6 1 6 4
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M  V30 000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 -
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</chemform>
</chemform>
====Investigation====
{{#experimentlist:|form=Photocatalytic_CO2_conversion_experiments|name=Table 1}}
==== Sacrificial electron donor ====
In this study, the experiments were done with the sacrificial electron donors TEOA ([[Molecule:100507|100507]]).
====Additives====
In this study, no additives were tested.[[Category:Publication]]

Latest revision as of 10:37, 11 April 2024

Abstract[edit | edit source]

Summary[edit | edit source]

A photochemical reduction of CO2 to formic acid was shown using the ruthenium pincer complexes Ru(py)-(HNdpp)2(CO)2Cl and Ru(py)-(MeNdpp)2(CO)2Cl as catalyst in combination with the ruthenium-based photosensitizer [Ru(bpy)3][PF6]. Turnover numbers (TONs) of 380 for formic acid were reached in dimethylformamide with complex Ru(py)-(MeNdpp)2(CO)2Cl. The experiments were conducted under visible-light irradiation (λ = 405 nm) using TEOA as sacrificial electron donor (see section SEDs below).

Advances and special progress[edit | edit source]

The authors report a novel molecular architecture for a ruthenium photocatalyst active in the reduction of CO2 to formic acid, displaying competitive TONs and quantum yields up to 14%.

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 formic acid under visible-light catalysis using ruthenium complexes as catalysts. The catalytic system performs best (referring to the TON of formic acid production) with complex Ru(py)-(MeNdpp)2(CO)2Cl in dimethylformamide.

Catalyst[edit | edit source]

100772 [Show R-Groups]

Photosensitizer[edit | edit source]

[Ru(bpy)3][PF6]

Investigation[edit | edit source]

catcat conc [µM]PSPS conc [mM]e-Dsolvent A.λexc [nm].TON H2TON HCOOH.
1.

Ru(py)-(MeNdpp)2(CO)2Cl

0.025

[Ru(bpy)3][PF6]

0.025

TEOA

DMF

405380
2.

Ru(py)-(MeNdpp)2(CO)2Cl

0.05

[Ru(bpy)3][PF6]

0.05

TEOA

DMF

405210
3.

Ru(py)-(MeNdpp)2(CO)2Cl

0.1

[Ru(bpy)3][PF6]

0.1

TEOA

DMF

40557.5363
4.

Ru(py)-(MeNdpp)2(CO)2Cl

0.5

[Ru(bpy)3][PF6]

1

TEOA

DMF

40514162
5.

Ru(py)-(MeNdpp)2(CO)2Cl

1

[Ru(bpy)3][PF6]

1

TEOA

DMF

40513.390.5
6.

Ru(py)-(HNdpp)2(CO)2Cl

0.5

[Ru(bpy)3][PF6]

1

TEOA

DMF

4051470.5
7.

Ru(py)-(HNdpp)2(CO)2Cl

1

[Ru(bpy)3][PF6]

1

TEOA

DMF

4051244.5
8.

Ru(py)-(HNdpp)2(CO)2Cl

2

[Ru(bpy)3][PF6]

1

TEOA

DMF

4059.341.5
Investigation-Name: Table 1

Sacrificial electron donor[edit | edit source]

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

Additives[edit | edit source]

In this study, no additives were tested.

Investigations

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