Photocatalytic CO2 reduction: best results

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< Promoting photocatalytic CO2 reduction with a molecular copper purpurin chromophore
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investigation
Molecular process, Photocatalytic CO2 conversion experiments
cat cat conc [µM] PS PS conc [mM] e-D e-D conc [M] H-D H-D conc [M] solvent A solvent B solvent C solv A/B/C additives additives conc [M] feedstock gas feedstock volume intensity pH T [°C] λexc [nm] t [h] TON CO TOF CO Φ CO [%] TON CH4 TOF CH4 Φ CH4 [%] TON H2 TOF H2 Φ H2 [%] TON HCOOH TOF HCOOH Φ HCOOH [%] TON MeOH TOF MeOH Φ MeOH [%] selectivity [%] [CO;CH4;H2;HCOOH;MeOH] Φ all [%] Details include

Fe(DHPP)Cl

0.0002

purpurin

0.1

BIH

0.01


DMF



>400 7 88 45 0 n/a


Yes

Fe(DHPP)Cl

0.0002

[Cu(PP)2][TBA]2

0.1

BIH

0.01


DMF



>400 7 4779 1356 270 94.7%; 0%; 5.3%; 0%; 0%


Yes

Fe(DHPP)Cl

0.0002

[Cu(PP)2][TBA]2

0.1

BIH

0.1


DMF



>400 23 16109 7650 843 95.0%; 0%; 5.0%; 0%; 0%


Yes

Fe(DHPP)Cl

0

[Cu(PP)2][TBA]2

0.1

BIH

0.1


DMF



>400 1 4.4 4.3 0 n/a


Yes