The inefficient charge separation and transport remains a bottleneck in photocatalysis. While various strategies have been explored to improve this process, most focus on single-sided modulation either the conduction-band electrons or valence-band holes, limiting overall improvement. Herein, an innovative coupling modification approach is adopted where Ru and α-FeO (FO) nanoparticles are integrated onto ZnInS (ZIS) to prepare Ru/ZnInS/α-FeO, and constructs dual charge transfer pathways for electrons and holes. This bidirectional channel configuration significantly enhances carrier separation and accumulation, enabling Ru as an electron (e) mediator and FO as a hole (h) extraction facilitator, driving simultaneous redox reactions, and enabling substantial improvement in the photocatalytic sulfur oxidation process coupled with hydrogen generation. This approach enhances interface charge separation/spatial accumulation and provides valuable guidance for designing and developing advanced high-efficiency photocatalytic systems.
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| http://dx.doi.org/10.1016/j.jcis.2025.02.079 | DOI Listing |
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