fig4

Figure 4. (A) Structure of the biconical BiVO₄ photocatalyst and the methane conversion process mediated by hydroxyl radicals generated through direct water oxidation; (B) along with its effects on the selectivity for methanol and carbon dioxide and (C) the corresponding yield. Reproduced with permission from Ref^[26]. Copyright 2018, American Chemical Society; (D) Methane conversion process mediated by hydroxyl radicals generated through direct water oxidation assisted by carbon dioxide as a mild oxidant; (E) selectivity and yield of methanol, and (F) the influence of different carbon dioxide concentrations on methanol yield and selectivity. Reproduced with permission from Ref^[30]. Copyright 2023, American Chemical Society.