Atomic-scale redox-potential-mediated engineering of 0D/2D Cu–Cu2O/MOx(OH)y heterojunctions for efficient nitrate electroreduction to ammonia

Key Points

• The aim is to enhance the construction of 0D/2D heterojunctions for electrocatalytic nitrate reduction to ammonia.
• Utilized redox-potential-mediated techniques
• Constructed 0D/2D Cu–Cu2O/MOx(OH)y heterojunctions
• Addressed issues of interfacial lattice mismatches and phase transitions
• Achieved enhanced efficiency in nitrate electroreduction to ammonia
• Successfully mitigated interfacial lattice mismatch issues
• Demonstrated scalability of the heterojunction engineering process