fig9
Figure 9. (A) The possible photocatalytic H2 evolution mechanism; (B) photocatalytic HER performance of different catalysts. Figures are quoted with permission from ref[62], Copyright 2017, the Royal Society of Chemistry; (C) Proposed structures of the catalysts before (top) and during (bottom) water splitting process; (D) Photocatalytic water splitting for the generation of H2 and O2 over different catalysts. Figures are quoted with permission from ref[64], Copyright 2019, American Chemical Society. HER: Hydrogen evolution reaction.
