Synthesis of periodic mesoporous ethylenesilica under acidic conditions

被引：79

作者：

Wang, WH

Xie, SH

Zhou, WZ

Sayari, A ^{[1
]}

机构：

[1] Univ Ottawa, Dept Chem, Ottawa, ON K1N 6N5, Canada

[2] Univ Ottawa, CCRI, Ottawa, ON K1N 6N5, Canada

[3] Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland

来源：

CHEMISTRY OF MATERIALS | 2004年 / 16卷 / 09期

关键词：

D O I：

10.1021/cm035235z

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

High-quality mesoporous ethylenesilicas were prepared for the first time under acidic conditions using alkylpoly(ethylene oxide) oligomers or polyalkylene oxide triblock copolymers as supramolecular templates. Depending on the synthesis conditions, materials with medium (4-5 nm) and large (8-9 nm) mesopores were obtained. Addition of butanol in conjunction with P123 under acidic condition had a dramatic effect on the pore-size distribution, which became much narrower, indicating the occurrence of a porous system with enhanced ordering.

引用

页码：1756 / 1762

页数：7

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