期刊
SMALL
卷 19, 期 26, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.202300956
关键词
hydrogen activation; hydrogenation; reaction mechanism; single-atom catalysts
Selective hydrogenation is a crucial reaction in the fine chemical industry, and the activation of H-2 is a key step. Catalysts, particularly single-atom catalysts (SACs), have shown great potential in activating H-2 for selective hydrogenation due to their high atom utilization and uniform active sites. Further research is needed to design SACs with superior H-2-activating capabilities.
Selective hydrogenation is one of the most important reactions in fine chemical industry, and the activation of H-2 is the key step for hydrogenation. Catalysts play a critical role in selective hydrogenation, and some single-atom catalysts (SACs) are highly capable of activating H-2 in selective hydrogenation by virtue of the maximized atom utilization and the highly uniform active sites. Therefore, more research efforts are needed for the rational design of SACs with superior H-2-activating capabilities. Herein, the research progress on H-2 activation in typical hydrogenation systems (such as alkyne hydrogenation, hydroformylation, hydrodechlorination, hydrodeoxygenation, nitroaromatics hydrogenation, and polycyclic aromatics hydrogenation) is reviewed, the mechanisms of SACs for H-2 activation are summarized, and the structural regulation strategies for SACs are proposed to promote H-2 activation and provide schemes for the design of high-selectivity hydrogenation catalysts from the atomic scale. At the end of this review, an outlook on the opportunities and challenges for SACs to be developed for selective hydrogenation is presented.
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