Cubes of Zeolite A with an Amorphous Core

被引:86
作者
Yao, Jianfeng [1 ]
Li, Dan [1 ]
Zhang, Xinyi [1 ]
Kong, Chun-Hua [3 ]
Yue, Wenbo [2 ]
Zhou, Wuzong [2 ]
Wang, Huanting [1 ]
机构
[1] Monash Univ, Dept Chem Engn, Clayton, Vic 3800, Australia
[2] Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland
[3] Univ New S Wales, Electron Microscope Unit, Sydney, NSW 2052, Australia
基金
澳大利亚研究理事会;
关键词
chitosan; crystal growth; hydrogels; polymers; zeolites;
D O I
10.1002/anie.200802823
中图分类号
O6 [化学];
学科分类号
0703 [化学];
摘要
Zeolitic jelly-donuts: Micron-sized cubes of zeolite A having a monocrystalline shell and an amorphous core were synthesized by in situ crystallization of sodium aluminosilicate gel in uncrosslinked chitosan hydrogel. Formation of cubelike core-shell structures involves particle aggregation and surface-to-core crystallization induced by the hydrogel network, and provides a new model for zeolite nucleation and growth mechanisms. (Figure Presented) © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:8397 / 8399
页数:3
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