Reversible Cu+/Cu2+ Cycles Enable Enhanced Carrier Separation for Efficient Photocatalytic Ammonia Synthesis

Key Points

• The research aims to improve charge separation in photocatalytic processes by utilizing a reversible copper cycling strategy.
• Developed a cycling strategy for Cu+/Cu2+ to enhance electron extraction.
• Selected Cu-doped BiVO4 with a tunable Cu+/Cu2+ ratio as the primary material.
• Analyzed charge separation efficiency and its impact on photocatalytic ammonia synthesis.
• Achieved higher charge separation efficiency in photocatalytic processes.
• Observed increased ammonia synthesis rates due to enhanced carrier dynamics.