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Article Abstract
The coupling of photocatalytic organic oxidation and hydrogen (H) production is an efficient strategy for converting solar energy into chemical energy, enabling simultaneous targeted conversion of organic matter and clean energy production. Cadmium sulfide (CdS), as a typical semiconductor-based photocatalyst, has attracted much attention in various coupled reactions of organic oxidation and H production due to their suitable bandgap (≈2.4 eV) and well-matched energy band edge positions. This review summarizes the fundamental principles of CdS-based photocatalysts in light-driven organic oxidation coupled with H production. On this basis, the review provides a detailed discussion of the key advancements in CdS-based photocatalysts in coupling reactions for H production and organic oxidation, including organic conversion, organic coupling, and organic degradation. Through the synergistic effect of photoexcited electrons driving proton reduction to produce H and holes leading the directed oxidation of organic substrates, the solar energy utilization efficiency is significantly enhanced. Finally, the challenges and future prospects of CdS-based photocatalysts for coupling light-driven organic synthesis with H production are also presented.
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