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- W4387613790 abstract "Simultaneous generation of clean energy, H2, and organic products holds immense potential in the realm of photocatalysis. The S-scheme heterojunction stands out for these dual-function applications due to its robust redox capacity, facilitating both the water reduction reaction and organic oxidation reactions. In this study a Keggin-type polymetallic oxide, H3PW12O40 hollow dodecahedron (KPW), was synthesized using a hydrothermal approach. Subsequently, cadmium sulfide (CdS) nanoparticles averaging 15 nm in size were integrated in situ onto the KPW shell, resulting in the creation of a core-shell KPW@CdS S-scheme heterojunction. This optimized composite showcased a hydrogen evolution rate of 18.7 mmol g−1 h−1, alongside a value-added product, benzaldehyde, with a yield of 17.5 mmol g−1 h−1 substantially surpassing the performance of standalone CdS. This S-scheme junction, featuring a pronounced internal electronic field, emerges between the KPW and CdS. It significantly enhances the segregation of photogenerated carriers while preserving formidable redox capability. Furthermore, the hollow structure augments light absorption and utility, and the core-shell architecture delivers dual reduction and oxidation sites. As a result, the interplay between the hollow core-shell configuration and the S-scheme mode intensifies the photocatalytic activity. This research provides an innovative approach to crafting hollow S-scheme heterojunctions, aiming to optimize photocatalytic redox reactions for effective solar energy utilization." @default.
- W4387613790 created "2023-10-14" @default.
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- W4387613790 date "2023-09-01" @default.
- W4387613790 modified "2023-10-15" @default.
- W4387613790 title "Hollow dodecahedron K3PW12O40/CdS core-shell S-scheme heterojunction for photocatalytic synergistic H2 evolution and benzyl alcohol oxidation" @default.
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- W4387613790 doi "https://doi.org/10.1016/s1872-2067(23)64507-3" @default.
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