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Spin Effects and Modulation Strategies in Photo-Induced Catalytic Transformations
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DOI：10.1039/D6TA02706G.png)
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Abstract
En 中文
Photocatalytic reactions are photo-induced functional transformation processes that are inherently influenced by the spin degree of freedom; which controls charge excitation; separation; and surface redox processes. Modulating electron spin provides an emerging route to regulate photochemical transformations and overcome the limitations of low efficiency and poor selectivity in traditional photocatalysis. Despite the remarkable progress achieved in recent years; a comprehensive and critical understanding of how spin effects control photo-induced catalytic transformations remains lacking. This review systematically summarizes recent advances in spin-dependent photocatalysis; beginning with the fundamental spin effects; including spin polarization; spin-orbit coupling; chirality-induced spin selectivity; defect-induced spin polarization; and external magnetic field. Subsequently; the mechanisms of these effects in typical photocatalytic reactions are elucidated; with a focus on the adsorption; activation; and transformation of key reaction intermediates by spin effects. Furthermore; typical spin modulation strategies are discussed; including defect and doping engineering; interface engineering; magnetic field manipulation; and chiral molecule modification. These strategies are effective means to achieve spin-selective charge transfer and suppress spin-forbidden recombination. Finally; the prospects and challenges of integrating spin physics with photocatalysis are highlighted; providing new insights for designing efficient; stable; and selective photocatalytic systems for solar energy conversion and environmental applications.
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