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. 2022 Jan 24;9(9):2105204. doi: 10.1002/advs.202105204

Figure 16.

Figure 16

a) Bandgap structures of pure CdS and H2O2 treated CdS. b) Normalized yields of CO, H2, and CH4 generated from photoelectrochemical (left axis) and electrochemical (right axis) CO2 conversion by using pure CdS and H2O2 treated CdS. c) Schematic illustration of the possible mechanism of PEC CO2 reduction over H2O2 treated CdS under visible light illumination by applying a negative bias. Reproduced with permission.[ 132 ] Copyright 2019, American Chemical Society.