Table 3. Selected Studies on PS/PC CO2 Conversion.
PS | ||||||||
---|---|---|---|---|---|---|---|---|
catalyst | illumination conditions | reactant/solution | products | QE (%) | selectivity (%) | formation rate normalized (mmol e– gcat–1 h–1) | maximum test time (h) | ref. |
Surface S and Br modified CoO/Co3O4 | 300 W Xe lamp, IR water filter, 500 mW cm–2 | H2O | CH4 | 2.3 at 405 nm | 98 | ∼80 | 9 | (99) |
CuIn5S8 single-unit-cell layers | AM 1.5G filter, λ ≥ 400 nm, ∼50 mW cm–2 | H2O | CH4 | 0.79 | 100 | 0.0696 | 120 | (100) |
(Ag@Cr)/Ga2O3 | 400 W high-pressure mercury lamp with a quartz filter | H2O | CO | 85.2 | 2.1 | 5 | (101) |
PC | ||||||||
---|---|---|---|---|---|---|---|---|
catalyst | illumination conditions | reactant/solution | products | QE (%) | selectivity (%) | formation rate normalized (mmol e- gcat–1 h–1) or TON | maximum test time (h) | ref. |
Co–Co2P@NPC | 200 W white LED lamp | TEOA/H2O/MeCN, [Ru(bpy)3]Cl2·6H2O | CO | 79.1 | ∼70 | 18 | (102) | |
RuP/C3N4 | 400 W Hg lamp, λ > 400 nm | DMA/TEOA | HCOOH | 5.7 at 400 nm | TON > 1000 | (103) | ||
Iridium(III) complexes | Blue LED light, 0.43 mW cm–2 | TEOA/MeCN | CO | 10 | TON > 265 | 10 days | (104) |