Enhancing Charge Transfer and Photoelectrochemical Performance of BiVO4/WO3 Heterojunction via Gradient Surface/Interface Co-Mo Doping

Key Points

• The aim is to improve charge transfer efficiency and photoelectrochemical performance of BiVO4/WO3 heterojunctions.
• Utilized gradient surface/interface co-Mo doping on BiVO4/WO3 photoanodes.
• Conducted performance assessments focusing on electron-hole pair dynamics.
• Analyzed the effects of doping on charge separation and transport.
• Notable enhancement in charge transfer efficiency observed.
• Improved separation and transport of photogenerated electron-hole pairs reported.
• Significant increases in overall photoelectrochemical performance noted.