Confinement in a Zeolite and Zeolite Catalysis

• DOI: 10.1021/acs.accounts.1c00274
• Publication Date: 2021-06-24T18:22:31Z
• Authors: Yuchao Chai; Weili Dai; Guangjun Wu; Naijia Guan; Landong Li
• Keywords: 01 natural sciences; 7. Clean energy; 0104 chemical sciences

ConspectusZeolites, accompanied by their initial discovery as natural mines and the subsequent large-scale commercial production, have played indispensable roles in various fields such petroleum refining chemical industry. Understanding characteristics of zeolites, contrast to counterparts with similar compositions origin thereof, is always a hot challenging topic. Zeolites are known intrinsic confined systems ordered channels on molecular scale, structural confinement has been proposed explain unique behaviors zeolites. Generally, zeolites can regulate diffusion molecules, leading visible difference transportation ultimate shape-selective catalysis. On other hand, local electric field within zeolite or cages act guest molecules change energy levels. Confinement be simply interpreted from both spatial electronic issues; however, nature ambiguous needs clarified.In this Account, we make concise summary analysis topics catalysis two specific views constraint answer basic questions why what else do First, it shown how construct functional sites including Brønsted acid sites, Lewis extraframework cation entrapped metal oxide aggregates via understand role reactivity. Second, multiple impacts zeolite-catalyzed reactions discussed, which rationally lead several processes, namely, zeolite-confined coordinatively unsaturated cascade reaction space Overall, effects exist already extremely important adsorption Although might many systems, more straightforward thanks well-ordered rigid structure, deriving A fantastic scaffold for constructing isolated spatially electrostatically its matrix. Furthermore, containing well-defined transition-metal treated inorganometallic complexes (i.e., framework ligand ions) catalyze resembling organometallic even metalloenzymes. The strong enough induce assist activation small following working fashion frustrated pairs. tactful utilization confinement, electronically, becomes key robust