Homogeneous photocatalytic CO2 conversion

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Revision as of 19:29, 8 September 2023 by 172.30.88.212 (talk) (correction of table description)

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Scope of this topic and related important content

The content of this topic page covers information on homogeneous approaches that are relevant for the reduction of CO2. Currently, the information on this page is limited to information on the conversion of CO2 to CO, CH4 and CHOOH, further extension of the content is planned in the future. To get the right context and preceding information, reading the higher level topics CO2 conversion and Photocatalytic CO2 conversion might be helpful.

Distinction from other articles within the topic >Photocatalytic CO2 conversion

>Photocatalytic CO2 conversion can be formally split into processes using homogeneous catalysis or heterogeneous catalysis for the conversion of the starting material CO2. In this article, we focus on the homogeneous catalysis which involves a catalyst that is in the same phase (usually liquid or gas) as the reactants. In this case, the catalyst and the reactants are well-mixed and form a single phase throughout the reaction. The catalyst interacts directly with the reactants, forming an intermediate complex, which then undergoes a reaction to form the desired products. Homogeneous catalysis often involves the use of transition metal complexes or organocatalysts. One advantage of homogeneous catalysis is that the catalyst can be precisely tuned and controlled to promote specific reactions.

The related topic >Heterogeneous photocatalytic CO2 conversion refers to reactions that involve a catalyst that is in a different phase (typically solid) from the reactants. The reactants are in a different phase (liquid or gas) and come into contact with the solid catalyst, which is usually in the form of a powder or a material such as a modified surface or material in general. The reactants adsorb onto the surface of the catalyst, where the catalytic reaction occurs.

Important aspects of homogeneous photocatalytic CO2 conversion

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Summary of selected scientific progress

Table of all experiments that have a turnover number for one of the products CO, CH4, HCOOH, H2 or MeOH over 100. This table is sorted by catalyst.

TON CO, CH4, HCOOH, H2, MeOH >100, sorted by catalyst

catcat conc [µM]PSPS conc [mM]e-De-D conc [M]..solvent A..additives.....λexc [nm].TON CO..TON CH4TON H2.TON HCOOH......
1.Ru(dtBubpy)(CO)2Cl250Molecule:100877 0.05BI(OH)H0.03DMF4361649280
2.Ru(dtBubpy)(CO)2Cl250Molecule:100877 0.05DMF4362072290
3.[MoO(qpdt)2][NBu4]250Ru(bpy)3Cl20.5BIH0.1MeCN4007367080
4.Ni(pbi)(pyS)24Eosin Y2TEOA0.4H2O14000
5.Ni(pbt)(pyS)24Eosin Y2TEOA0.4H2O13100
6.Fe(DHPP)Cl0.2[Cu(PP)2][TBA]20.1BIH0.01DMF>4004779270
7.Fe(DHPP)Cl2Ir(ppy)30.2TEA0.05MeCN> 4201392615
8.Fe(DHPP)Cl0.2[Cu(PP)2][TBA]20.1BIH0.1DMF>40016109843
9.Fe(DHPP)Cl2Ir(ppy)30.2TEA0.36MeCN140
10.Fe(DHPP)Cl0.6Molecule:100932 0.02BIH0.06DMF>40021616
11.Mn(oMesbpy)(CO)2Br50[Cu(phen)-(dPPh-Bu)2]2[PF6]20.25BIH0.01MeCN4362080.55
12.Mn(CN)(bpy)(CO)3100[Ru(dmb)3][PF6]20.5BNAH0.1DMF4709.11.2130
13.Mn(CN)(bpy)(CO)3100[Ru(dmb)3][PF6]21BNAH0.1DMF4707.11.6130
14.Mn(bpy)(CO)3Br50[Ru(dmb)3][PF6]20.05BNAH0.1DMF4801214149
15.Mn(bpy)(CO)3Br50[Cu(phen)-(dPPh-Bu)2]2[PF6]20.25BIH0.01MeCN436504157
16.Mn(bpy)(CO)3Br50Ru(bpy)30.05BNAH0.1DMF480128157
17.Mn(bpy)(CO)3Br2000ZnTPP0.5TEA0.1MeCNxenon lamp11919
18.[Ir(mesbpy-(PCy2)2)][BPh4]20BIH0.2DMA>400470152080
19.[Co(pabop)][ClO4]250Ir(ppy)30.2TEAMeCN>460270
20.[Re(bpy)2(CO)2][OTf]50[Ru(bpy)3][PF6]1TEOADMA40550535
21.[Re(bpy)2(CO)2][OTf]20[Ru(bpy)3][PF6]1TEOADMA4052251480
22.[Re(bpy)2(CO)2][OTf]10[Ru(bpy)3][PF6]1TEOADMA4053752750
23.[Re(bpy)2(CO)2][OTf]500[Ru(bpy)3][PF6]1TEOADMA40515115
24.[Re(bpy)2(CO)2][OTf]200[Ru(bpy)3][PF6]1TEOADMA40524275
further results hidden...

Table of all experiments that have a turnover number >100 for one of the products CO, CH4, HCOOH, H2 or MeOH. This table is sorted by the turnover number of H2 in descending order.

TON CO, CH4, HCOOH, H2, MeOH >100, sorted by TON H2 descending

catcat conc [µM]PSPS conc [mM]e-De-D conc [M]..solvent A..additives...λexc [nm].TON CO..TON CH4TON H2.TON HCOOH......
1.[Ni(bpy)-(MeNHC)2][PF6]20.002Ir(ppy)30.1TEAMeCNsolar spectrum130000290004900000
2.[Ni(bpy)-(MeNHC)2][PF6]20.002Ir(ppy)30.1BIH0.01MeCNTEA, H2Osolar spectrum31000320000
3.[Ni(bpy)-(MeNHC)2][PF6]20.002Ir(ppy)30.1BIH0.01MeCNTEAsolar spectrum1080004000278000
4.[Ni(bpy)-(MeNHC)2][PF6]20.002Ir(ppy)30.1BIH0.01MeCNTEA 5% (v/v), H2O 2% (v/v)solar spectrum1000058000
5.[Ni(bpy-bNHCEt)][PF6]20.002Ir(ppy)30.1TEAMeCNsolar spectrum900036000
6.[Ni(bpy-bNHCMe)][PF6]20.002Ir(ppy)30.1BIH0.01MeCNTEA, H2Osolar spectrum8000500034000
7.[Ni(bpy-bNHCEt)][PF6]20.002Ir(ppy)30.1BIH0.01MeCNTEAsolar spectrum31000033000
8.[Ni(bpy-bNHCEt)][PF6]20.002Ir(ppy)30.1BIH0.01MeCNTEA, H2Osolar spectrum1750001900029000
9.[Ni(bpy-bNHCMe)][PF6]20.002Ir(ppy)30.1BIH0.01MeCNTEAsolar spectrum7600017000
10.[Ni(bpy-bNHCMe)][PF6]20.002Ir(ppy)30.1TEAMeCNsolar spectrum5000100015000
11.[Ru(bpy)(py)-(MeNHC)2CO][PF6]20.01[Ru(dmb)3][PF6]20.05BI(OH)H0.1DMA450 W Hg lamp, K2CrO4 filter30018975634
12.[Ru(bpy)(py)-(MeNHC)2(MeCN)][PF6]20.01[Ru(dmb)3][PF6]20.05BI(OH)H0.1DMA450 W Hg lamp, K2CrO4 filter22414384593
13.Molecule:100968 0.2Ru(bpy)30.2BIH0.1MeCN303491013
14.Fe(DHPP)Cl0.2[Cu(PP)2][TBA]20.1BIH0.1DMF>40016109843
15.[MoO(qpdt)2][NBu4]250Ru(bpy)3Cl20.5BIH0.1MeCN4007367080
16.[Ru(bpy)(py)-(tBuNHC)2(MeCN)][PF6]20.01[Ru(dmb)3][PF6]20.05BI(OH)H0.1DMA450 W Hg lamp, K2CrO4 filter1295563296
17.[Ru(bpy)(py)-(tBuNHC)2CO][PF6]20.01[Ru(dmb)3][PF6]20.05BI(OH)H0.1DMA450 W Hg lamp, K2CrO4 filter1295053792
18.[Re(bpy)2(CO)2][OTf]10[Ru(bpy)3][PF6]1TEOADMA4053752750
19.Molecule:100776 0.025[Ru(phen)3][PF6]20.4TEOA0.3MeCN450 nm (LED, 100 mW.cm^-2)16896368
20.Molecule:100941 10Molecule:100940 1BIH0.02MeCN420576287
21.Fe(DHPP)Cl0.2[Cu(PP)2][TBA]20.1BIH0.01DMF>4004779270
22.[Co(qpy)(H2O)2][ClO4]25purpurin2BIH0.1DMFArgon atmosphere460 (LED)0226167
23.[Re(bpy)2(CO)2][OTf]20[Ru(bpy)3][PF6]1TEOADMA4052251480
24.[Fe(qpy)(H2O)2][ClO4]20Ru(bpy)3Cl20.02BIH0.1DMF460 (LED)01390
further results hidden...


Dear reader, I am a test molecule called phenol PhOH (100617), you can call me also benzenol PhOH (100617).

Subtopics of "Homogeneous photocatalytic CO2 conversion"

This topic has the following 3 subtopics, out of 3 total.

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