A tale of two mechanisms: comparing mesostructure formation in cationic and non-ionic surfactant-templated silicas

被引：0
|
作者：
Edler, K. J. [1 ]
Fernandez-Martin, C. [1 ]
Brennan, T. [1 ]
Roser, S. J. [1 ]
机构：
[1] Univ Bath, Dept Chem, Bath BA2 7AY, Avon, England
来源：
FROM ZEOLITES TO POROUS MOF MATERIALS: THE 40TH ANNIVERSARY OF INTERNATIONAL ZEOLITE CONFERENCE, PROCEEDINGS OF THE 15TH INTERNATIONAL ZEOLITE CONFERENCE | 2007年 / 170卷
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The formation of surfactant templated silica films at the air-solution interface has been investigated in situ using a number of time-resolved surface-sensitive and bulk sensitive techniques. Results from templating solutions prepared using a non-ionic surfactant (C(16)EO(8)) are compared to those obtained when a cationic surfactant (CTAB) is used. In both cases specific solution phase interactions drive mesostructure organisation, in the precipitates formed in the subphase and in the thin films at the solution surface, however the templating interaction between silica and surfactant appears to occur differently in each case.
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页码：1763 / 1769
页数：7
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