Journal of East China Normal University(Natural Science) ›› 2023, Vol. 2023 ›› Issue (1): 82-94.doi: 10.3969/j.issn.1000-5641.2022.00.009

• Functional Materials • Previous Articles     Next Articles

Review of zeolite-confined subnanometric cluster catalysts

Yue MA(), Hao XU, Yueming LIU, Kun ZHANG, Peng WU*(), Mingyuan HE   

  1. Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
  • Received:2022-07-11 Accepted:2022-08-01 Online:2023-01-25 Published:2023-01-07
  • Contact: Peng WU;


The design of efficient and stable supported metal catalysts to prevent metal species from sintering into large nanoparticles under harsh preparation and reaction conditions is key for various important processes, including the conversion of C1 resources and dehydrogenation of low carbon alkanes to C2 and C3 olefins. Zeolites with uniform subnano micropores and various three-dimensional crystalline structures have been proven as ideal supports for preparing highly efficient and stable metal catalysts via encapsulating subnanometric metal clusters within their pores, cages, and channels. Interactions between metal clusters and the zeolite skeleton can regulate their geometric and electronic structure. The development of zeolite-confined subnanometric cluster catalysts aims to take advantage of this joint confinement effect and induce synergy between guest metal species and active sites in host zeolite frameworks. This can further improve the catalytic activity of resultant composite catalysts, for applications in multiple catalytic reaction processes . In this review, typical preparation methods of zeolite-confined subnanometric clusters and their catalytic applications in selective hydrogenation of CO2 and alkynes, hydrogen generation by formic acid decomposition and ammonia borane hydrolysis, and propane dehydrogenation to propene are discussed.

Key words: zeolite, clusters, confinement effect, selective hydrogenation, propane dehydrogenation

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