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Recent syntheses of novel zeolites with different pore sizes
Yi Zhai1, Qinming Wu1,2, Feiyong Xiang3
1College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China. qinmingwu@zju.edu.cn.
Abstract:
Synthesis of novel zeolites is a hot topic in the field of zeolite chemistry. Considering their unique shape-selective catalysis and adsorption-separation abilities for different molecules, construction of novel zeolites with different pore sizes (ultra-small-pore, small-pore, medium-pore, large-pore, extra-large-pore, and micro-mesopore zeolites) is of great significance. Recently, many synthetic strategies have been developed to synthesize novel zeolites with different pore sizes. In this review, we briefly summarize the synthesis of novel zeolites with different pore sizes reported during the past five years by discussing various strategies such as those adopting designed structure-directing agents, reconstruction, topotactic condensation, interchain expansion, interlayer expansion, heteroatom substitution, charge density mismatch, and multiple inorganic cations, where the choice of synthesis strategy is critical for size control of zeolite micropores.
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