Exploring the Full Potential of Photocatalytic Carbon Dioxide Reduction Using a Dinuclear Re2Cl2 Complex Assisted by Various Photosensitizers: Difference between revisions
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==== Catalyst ==== | ==== Catalyst ==== | ||
<chemform smiles="C(C)(C)1C2C=C(C(C)(C)C)C=C(C3C=N4[Re+]([C-]#[O+])([C-]#[O+])([Cl-])([C-]#[O+])N5=CC=CC=C5C4=CC=3)C=2OC2C(C3C=CC4C5C=CC=CN=5[Re+]([C-]#[O+])([C-]#[O+])([C-]#[O+])([Cl-])N=4C=3)=CC(C(C)(C)C)=CC1=2" inchi="1S/C43H42N4O.6CO.2ClH.2Re/c1-41(2,3)29-21-31(27-15-17-37(46-25-27)35-13-9-11-19-44-35)39-33(23-29)43(7,8)34-24-30(42(4,5)6)22-32(40(34)48-39)28-16-18-38(47-26-28)36-14-10-12-20-45-36;6*1-2;;;;/h9-26H,1-8H3;;;;;;;2*1H;;/q;;;;;;;;;2*+1/p-2" inchikey="RNNNRBGABJVOGO-UHFFFAOYSA-L" height="200px" width="300px" float="none"> | |||
-INDIGO-01112411252D | |||
0 0 0 0 0 0 0 0 0 0 0 V3000 | |||
M V30 BEGIN CTAB | |||
M V30 COUNTS 64 72 0 0 0 | |||
M V30 BEGIN ATOM | |||
M V30 1 C 2.55001 -5.94999 0.0 0 | |||
M V30 2 C 3.05001 -6.81603 0.0 0 | |||
M V30 3 C 4.05001 -6.81604 0.0 0 | |||
M V30 4 O 4.54999 -5.95001 0.0 0 | |||
M V30 5 C 4.04999 -5.08397 0.0 0 | |||
M V30 6 C 3.04999 -5.08396 0.0 0 | |||
M V30 7 C 2.5521 -4.22028 0.0 0 | |||
M V30 8 C 3.05197 -3.35393 0.0 0 | |||
M V30 9 C 4.55186 -4.21416 0.0 0 | |||
M V30 10 C 4.04694 -3.35174 0.0 0 | |||
M V30 11 C 4.5479 -7.67972 0.0 0 | |||
M V30 12 C 4.04803 -8.54607 0.0 0 | |||
M V30 13 C 2.54814 -7.68584 0.0 0 | |||
M V30 14 C 3.05306 -8.54826 0.0 0 | |||
M V30 15 C 1.68398 -5.44999 0.0 0 | |||
M V30 16 C 1.68398 -6.44999 0.0 0 | |||
M V30 17 C 5.55185 -4.21098 0.0 0 | |||
M V30 18 C 5.5479 -7.67991 0.0 0 | |||
M V30 19 C 2.5509 -2.48852 0.0 0 | |||
M V30 20 C 3.04983 -1.62188 0.0 0 | |||
M V30 21 C 1.5509 -2.48976 0.0 0 | |||
M V30 22 C 2.0509 -1.62249 0.0 0 | |||
M V30 23 C 2.55665 -9.41635 0.0 0 | |||
M V30 24 C 1.55665 -9.42048 0.0 0 | |||
M V30 25 C 3.06022 -10.2803 0.0 0 | |||
M V30 26 C 2.05665 -10.2824 0.0 0 | |||
M V30 27 N 7.04951 -3.34441 0.0 0 | |||
M V30 28 C 6.05188 -3.34415 0.0 0 | |||
M V30 29 C 7.55057 -4.21092 0.0 0 | |||
M V30 30 C 6.05491 -5.08096 0.0 0 | |||
M V30 31 C 7.05496 -5.07449 0.0 0 | |||
M V30 32 C 8.55056 -4.20928 0.0 0 | |||
M V30 33 C 10.0468 -3.34026 0.0 0 | |||
M V30 34 N 9.04917 -3.34163 0.0 0 | |||
M V30 35 C 10.5493 -4.20595 0.0 0 | |||
M V30 36 C 9.05504 -5.07843 0.0 0 | |||
M V30 37 C 10.0551 -5.07034 0.0 0 | |||
M V30 38 C 7.04556 -6.81333 0.0 0 | |||
M V30 39 C 6.04792 -6.81307 0.0 0 | |||
M V30 40 C 7.54661 -7.67984 0.0 0 | |||
M V30 41 C 6.05096 -8.54988 0.0 0 | |||
M V30 42 N 7.05101 -8.54342 0.0 0 | |||
M V30 43 C 8.54661 -7.67821 0.0 0 | |||
M V30 44 C 10.0429 -6.80919 0.0 0 | |||
M V30 45 C 9.04522 -6.81056 0.0 0 | |||
M V30 46 C 10.5453 -7.67488 0.0 0 | |||
M V30 47 N 9.05109 -8.54736 0.0 0 | |||
M V30 48 C 10.0511 -8.53926 0.0 0 | |||
M V30 49 Re 8.00662 -2.4123 0.0 0 CHG=1 | |||
M V30 50 Re 8.02601 -9.43444 0.0 0 CHG=1 | |||
M V30 51 Cl 6.48162 -2.4373 0.0 0 CHG=-1 | |||
M V30 52 C 9.40662 -2.3873 0.0 0 CHG=-1 | |||
M V30 53 C 6.97451 -1.3802 0.0 0 CHG=-1 | |||
M V30 54 C 9.06373 -1.3552 0.0 0 CHG=-1 | |||
M V30 55 C 9.72601 -9.43444 0.0 0 CHG=-1 | |||
M V30 56 Cl 6.55101 -9.45944 0.0 0 CHG=-1 | |||
M V30 57 C 6.8939 -10.6666 0.0 0 CHG=-1 | |||
M V30 58 C 9.03312 -10.5666 0.0 0 CHG=-1 | |||
M V30 59 O 6.26741 -0.673089 0.0 0 CHG=1 | |||
M V30 60 O 9.77083 -0.648089 0.0 0 CHG=1 | |||
M V30 61 O 10.4066 -2.3873 0.0 0 CHG=1 | |||
M V30 62 O 6.1868 -11.3737 0.0 0 CHG=1 | |||
M V30 63 O 9.74022 -11.2737 0.0 0 CHG=1 | |||
M V30 64 O 10.726 -9.43444 0.0 0 CHG=1 | |||
M V30 END ATOM | |||
M V30 BEGIN BOND | |||
M V30 1 1 1 6 | |||
M V30 2 1 1 2 | |||
M V30 3 2 2 3 | |||
M V30 4 1 3 4 | |||
M V30 5 1 4 5 | |||
M V30 6 2 5 6 | |||
M V30 7 2 8 7 | |||
M V30 8 1 5 9 | |||
M V30 9 1 7 6 | |||
M V30 10 2 9 10 | |||
M V30 11 1 10 8 | |||
M V30 12 2 12 11 | |||
M V30 13 1 2 13 | |||
M V30 14 1 11 3 | |||
M V30 15 2 13 14 | |||
M V30 16 1 14 12 | |||
M V30 17 1 1 15 | |||
M V30 18 1 1 16 | |||
M V30 19 1 9 17 | |||
M V30 20 1 11 18 | |||
M V30 21 1 8 19 | |||
M V30 22 1 19 20 | |||
M V30 23 1 19 21 | |||
M V30 24 1 19 22 | |||
M V30 25 1 14 23 | |||
M V30 26 1 23 24 | |||
M V30 27 1 23 25 | |||
M V30 28 1 23 26 | |||
M V30 29 2 28 17 | |||
M V30 30 2 29 27 | |||
M V30 31 1 17 30 | |||
M V30 32 1 27 28 | |||
M V30 33 2 30 31 | |||
M V30 34 1 31 29 | |||
M V30 35 1 29 32 | |||
M V30 36 2 34 32 | |||
M V30 37 2 35 33 | |||
M V30 38 1 32 36 | |||
M V30 39 1 33 34 | |||
M V30 40 2 36 37 | |||
M V30 41 1 37 35 | |||
M V30 42 2 39 18 | |||
M V30 43 2 40 38 | |||
M V30 44 1 18 41 | |||
M V30 45 1 38 39 | |||
M V30 46 2 41 42 | |||
M V30 47 1 42 40 | |||
M V30 48 1 40 43 | |||
M V30 49 2 45 43 | |||
M V30 50 2 46 44 | |||
M V30 51 1 43 47 | |||
M V30 52 1 44 45 | |||
M V30 53 2 47 48 | |||
M V30 54 1 48 46 | |||
M V30 55 10 27 49 | |||
M V30 56 10 49 34 | |||
M V30 57 10 42 50 | |||
M V30 58 10 50 47 | |||
M V30 59 10 49 51 | |||
M V30 60 10 49 52 | |||
M V30 61 10 49 53 | |||
M V30 62 10 49 54 | |||
M V30 63 10 50 55 | |||
M V30 64 10 50 56 | |||
M V30 65 10 50 57 | |||
M V30 66 10 50 58 | |||
M V30 67 3 53 59 | |||
M V30 68 3 54 60 | |||
M V30 69 3 52 61 | |||
M V30 70 3 57 62 | |||
M V30 71 3 58 63 | |||
M V30 72 3 55 64 | |||
M V30 END BOND | |||
M V30 END CTAB | |||
M END | |||
</chemform> | |||
==== Photosensitizer ==== | ==== Photosensitizer ==== |
Revision as of 11:25, 11 January 2024
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Abstract
Summary
A photochemical reduction of CO2 to CO was shown using the dirhenium complex Molecule with key SPPICNUXBVPFDY-UHFFFAOYSA-N does not exist. in combination with the ruthenium and copper photosensitizers Ir(fppy)3 and [Cu(bcp)(xant)][PF6]. Turnover numbers (TONs) of up to 270 were reached after 4 h of irradiation (λ > 400 nm) in DMF.
Advances and special progress
One of very few studies where a dinuclear catalytic system able to activate CO2 is used in combination with photosensitizers.
Additional remarks
The experiments were preformed using the rhenium complex (50 μM in DMF) as the catalyst in combination with different loadings of the sensitizers and sacrificial electron donors under 4 h of irradiation with λ > 400 nm.
Content of the published article in detail
The article contains results of a detailed study on the influence of additional photosensitizers on the catalytic performance of the dinuclear rhenium catalyst Molecule with key SPPICNUXBVPFDY-UHFFFAOYSA-N does not exist. for the reduction of CO2 to CO. The catalytic system performs best (referring to the TON of CO production) for the combination of the above mentioned catalyst with the iridium complex Ir(fppy)3 as the photosensitizer in the presence of BIH/TEA as sacrificial electron donors.
Catalyst
Photosensitizer
Ir(fppy)3 [Cu(bcp)(xant)][PF6]
Investigation
- REDIRECT Optimizations of the conditions
Sacrificial electron donor
In this study, TEA (TEA) and BIH (BIH) were used as sacrificial electron donors.
Investigations
- Optimizations of the conditions (Molecular process, Photocatalytic CO2 conversion experiments)