Schottky heterojunction-mediated charge separation in ZnIn 2 S 4 /Cu for boosted photocatalytic CO 2 reduction

Key Points

• This research focuses on optimizing charge separation in heterojunctions to improve CO2 photocatalytic reduction efficiency.
• Developed a ZnIn2S4/Cu heterojunction for CO2 photocatalytic application
• Analyzed charge separation and photocatalytic performance
• Compared results to traditional noble metal catalysts
• Achieved a 4.86-fold increase in CO2-to-CO conversion
• Demonstrated high efficiency without using noble metals
• Identified the effectiveness of sulfide photocatalysts in enhancing performance