Interfacial Proton Regulation in an S-Scheme Pt-CQD/K 3 PW 12 O 40 Heterojunction Boosts Selective H 2 O 2 Synthesis during Overall Water Splitting

Key Points

• This research aims to improve the synthesis of hydrogen peroxide during overall water splitting using innovative materials.
• Developed an S-scheme heterojunction involving Pt-CQD/K3PW12O40 materials.
• Evaluated catalytic performance under solar-driven conditions for H2O2 synthesis.
• Analyzed proton regulation effects on overall water splitting efficiency.
• Achieved a significant increase in H2O2 synthesis rate compared to control conditions.
• Enhanced selectivity for H2O2 production observed, indicating improved catalytic effectiveness.
• Demonstrated that proper interfacial proton regulation directly correlates with synthesis efficiency.