Best result and control experiments

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< A Dinuclear Cobalt Cryptate as a Homogeneous Photocatalyst for Highly Selective and Efficient Visible-Light Driven CO2 Reduction to CO in CH3CN-H2O Solution
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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

Molecule:100776

0.000025

[Ru(phen)3][PF6]2

0.4

TEOA

300


MeCN

H2O


4:1 CO2 25 450 nm (LED, 100 mW.cm^-2) 10 16896 0.47 368 0.01 97.9%; 0%; 2.1%; 0%; 0%


Yes

Molecule:100776

0.0005

[Ru(phen)3][PF6]2

0.4

TEOA

300


MeCN

H2O


4:1 CO2/Ar (10:90) atmosphere CO2 25 450 nm (LED, 100 mW.cm^-2) 10 684 0.019 56 0.0016 92.4%; 0%; 7.6%; 0%; 0%


No


[Ru(phen)3][PF6]2

0.4

TEOA

300


MeCN

H2O


4:1 CO2 25 450 nm (LED, 100 mW.cm^-2) 10 n/a


Yes

Molecule:100776

0.000025


TEOA

300


MeCN

H2O


4:1 CO2 25 450 nm (LED, 100 mW.cm^-2) 10 n/a


Yes

Molecule:100776

0.000025

[Ru(phen)3][PF6]2

0.4



MeCN

H2O


4:1 CO2 25 450 nm (LED, 100 mW.cm^-2) 10 n/a


Yes

Molecule:100776

0.000025

[Ru(phen)3][PF6]2

0.4

TEOA

300


MeCN

H2O


4:1 CO2 25 10 n/a


Yes

Molecule:100776

0.000025

[Ru(phen)3][PF6]2

0.4

TEOA

300


MeCN

H2O


4:1 Argon atmosphere CO2 25 450 nm (LED, 100 mW.cm^-2) 10 n/a


Yes