fig13

Figure 13. (A) Schematic diagram of the growth mechanism of Na₂Ti₃O₇ and rGO/Na₂Ti₃O₇ microspheres^[127]. Copyright 2020, American Chemical Society. (B) Hydrogen evolution rate over melamine (M-CN) via the TPC (80 °C), PC and TC (80 °C) pathways. (C) Hydrogen evolution rate over cyanamide (C-CN) via the TPC, PC and TC pathways^[128]. Copyright 2023, Elsevier Ltd.