Concentration and solvent effect

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< Function-Integrated Ru Catalyst for Photochemical CO2 Reduction
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

Ru(dppq)(tpy)(MeCN)

0.02


BIH

0.1


DMA

H2O


39:1 20 Xenon lamp (420 - 750) 4 73 1 8 89.0%; 0%; 1.2%; 9.8%; 0%


No

Ru(dppq)(tpy)(MeCN)

0.04


BIH

0.1


DMA

H2O


39:1 20 Xenon lamp (420 - 750) 4 58 1 3 93.5%; 0%; 1.6%; 4.8%; 0%


No

Ru(dppq)(tpy)(MeCN)

0.08


BIH

0.1


DMA

H2O


39:1 20 Xenon lamp (420 - 750) 4 29 2 93.5%; 0%; 0%; 6.5%; 0%


No

Ru(dppq)(tpy)(MeCN)

0.04


BIH

0.1


MeCN

H2O


39:1 20 Xenon lamp (420 - 750) 4 42 1 5 87.5%; 0%; 2.1%; 10.4%; 0%


No

Ru(dppq)(tpy)(MeCN)

0.04


BIH

0.1


DMA

H2O


19:1 20 Xenon lamp (420 - 750) 4 67 1 9 87.0%; 0%; 1.3%; 11.7%; 0%


No

Ru(dppq)(tpy)(MeCN)

0.04


BIH

0.1


DMA

H2O


9:1 20 Xenon lamp (420 - 750) 4 20 1 6 74.1%; 0%; 3.7%; 22.2%; 0%


No