Photocatalytic CO2 reduction with the Mn complexes under various conditions.

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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 [mL] intensity [kW/m²] pH T [°C] λexc [nm] t [h] TON CO TOF CO [TOF/min] Φ CO [%] TON CH4 TOF CH4 [TOF/min] Φ CH4 [%] TON H2 TOF H2 [TOF/min] Φ H2 [%] TON HCOOH TOF HCOOH [TOF/min] Φ HCOOH [%] TON MeOH TOF MeOH [TOF/min] Φ MeOH [%] selectivity [%] [CO;CH4;H2;HCOOH;MeOH] Φ all [%] Details include

Mn(phdk)(CO)3Br

Ru(bpy)3

100

BNAH

0.1


MeCN

TEOA


4:1 480 16 8 52 13.3%; 0%; 0%; 86.7%; 0%


Yes

Mn(phdk)(CO)3(MeCN)

Ru(bpy)3

100

BNAH

0.1


MeCN

TEOA


4:1 480 24 15 58 20.5%; 0%; 0%; 79.5%; 0%


Yes

Mn(phdk)(CO)3(MeCN)

Ru(bpy)3

100

BNAH

0.1


MeCN

TEOA


4:1 480 16 9 48 15.8%; 0%; 0%; 84.2%; 0%


Yes