The orientation of anionic β-cyclodextrin in the interlayer space of Zn/Al layered double hydroxide

被引：21
|
作者：
Choy, JH [1 ]
Jung, EY [1 ]
Son, YH [1 ]
Park, M [1 ]
机构：
[1] Seoul Natl Univ, Sch Chem & Mol Engn, Natl Nanohybrid Mat Lab, Seoul 151747, South Korea
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2004年 / 65卷 / 2-3期
关键词：
D O I：
10.1016/j.jpcs.2003.08.036
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The anionic beta-cyclodextrins, sulfopropylated-beta-cyclodextrin and carboxyethylated-beta-cyclodextrin, have been intercalated into a Zn/Al layered double hydroxide by an ion-exchanging reaction. X-ray diffraction patterns show single-phase hybrids with high crystallinity. Detailed orientations of intercalated anionic beta-cyclodextrins are evaluated by considering the parameters such as the degree of charge compensation between host and guest, the area demand of beta-cyclodextrin molecules, and the interlayer space of the intercalate. Based on the results, we elucidate a model for the arrangement of anionic beta-cyclodextrin molecule in the layered double hydroxide. (C) 2003 Elsevier Ltd. All rights reserved.
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页码：509 / 512
页数：4
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