Modulating interfacial electric field in oxygen-defect-mediated S-scheme Mo-ZnIn2S4/BiOCl heterostructures for efficient photocatalytic hydrogen evolution

Key Points

• The study aims to enhance photocatalytic hydrogen production by addressing charge separation issues in a new heterojunction.
• Constructed an oxygen-defect-mediated S-scheme heterojunction of Mo-ZnIn2S4/BiOCl.
• Analyzed the interfacial electric field's influence on charge migration and separation.
• Evaluated photocatalytic activity under visible light illumination.
• Improved charge separation efficiency noted in the Mo-ZIS/BOC heterojunction.
• Significant enhancement in hydrogen evolution rates compared to conventional systems.
• Demonstrated potential for higher energy conversion effectiveness.