Table 1

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< A Water Soluble Cobalt(II) Complex with 1,10‑Phenanthroline, a Catalyst for Visible‑Light‑Driven Reduction of CO2 to CO with High Selectivity
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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 [] 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

Co(phen)2(CN)2

0

[Ru(phen)3](PF6)2

0.40

TEOA

0.4


MeCN

H2O


9:1 CO2 469 10 0 n/a


No

Co(phen)2(CN)2

2.5

[Ru(phen)3](PF6)2

0.40

TEOA

0.4


MeCN

H2O


9:1 CO2 469 10 1130 n/a


No

Co(phen)2(CN)2

5

[Ru(phen)3](PF6)2

0.40

TEOA

0.4


MeCN

H2O


9:1 CO2 469 10 730 n/a


No

Co(phen)2(CN)2

25

[Ru(phen)3](PF6)2

0.40

TEOA

0.4


MeCN

H2O


9:1 CO2 469 10 154 n/a


No

Co(phen)2(CN)2

2.5

[Ru(phen)3](PF6)2

0.40

TEOA

0.4


MeCN

H2O


9:1 CO2 0 n/a


No

Co(phen)2(CN)2

0

[Ru(phen)3](PF6)2

0.40

TEOA

0.4


MeCN

H2O


9:1 CO2 469 10 0 n/a


No

Co(phen)2(CN)2

2.5

[Ru(phen)3](PF6)2

0.40

TEOA

0.4


MeCN

H2O


9:1 nitrogen 469 10 0 n/a


No

Co(phen)2(CN)2

2.5

[Ru(phen)3](PF6)2

0.40



MeCN

H2O


9:1 CO2 469 10 0 n/a


No

Co(phen)2(CN)2

2.5

[Ru(phen)3](PF6)2

0.40

TEOA

0.4


MeCN



CO2 469 10 720 n/a


No

Co(phen)2(CN)2

2.5


TEOA

0.4


MeCN

H2O


9:1 CO2 469 10 0 n/a


No