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. 2020 May 15;5(6):1996–2014. doi: 10.1021/acsenergylett.0c00645

Figure 5.

Figure 5

(a) SEM image of reduced mesoporous Bi nanosheets. Reprinted with permission from ref (105). Copyright 2018 Wiley-VCH. (b) Full cell configuration containing In0.4Bi0.6-coated perovskite photocathode. Reprinted from ref (106). Copyright 2019 American Chemical Society. (c) Schematic of the PEC CO2 reduction process involving protected Cu2O photocathodes and a Re-based molecular catalyst. Reprinted with permission from ref (107). Copyright 2015 Royal Society of Chemistry. (d) Changes in Ecell and HCOOH production with a wired CuFeO2/CuO and Pt couple under illumination without external bias. Reprinted with permission from ref (109). Copyright 2015 Royal Society of Chemistry. (e) The scheme of photoanode-dark anode configuration for CO2 conversion. Reprinted from ref (9). Copyright 2016 American Chemical Society.