A pyrrole-containing surfactant as a tecton for nanocomposite SiO2 films

被引：6
|
作者：
Kaper, Helena
Franke, Danielle
Smarsly, Bernd M. [1 ]
Faul, Charl F. J.
机构：
[1] Max Planck Inst Colloids & Interfaces, Res Campus Golm, D-14424 Potsdam, Germany
[2] Univ Giessen, Inst Phys Chem, D-35392 Giessen, Germany
[3] Univ Bristol, Sch Chem, Bristol BS8 1TS, Avon, England
来源：
LANGMUIR | 2007年 / 23卷 / 22期
关键词：
D O I：
10.1021/la701911n
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A surfactant featuring a polymerizable pyrrole head group (dodecyl-dimethyl-(2-pyrrol-1-yl-ethyl)-ammonium bromide, DDPABr) was synthesized. The thermotropic behavior of the surfactant was investigated by differential scanning calorimetry (DSC) and X-ray scattering techniques, with small-angle X-ray scattering (SAXS) analysis revealing a highly ordered lamellar bilayer structure. After full characterization, DDPABr was used in the preparation of mesostructured SiO2 nanocomposite thin films via evaporation-induced self-assembly (EISA). Resulting thin SiO2- DDPABr films were studied by 1D and 2D small-angle X-ray scattering (SAXS) techniques, indicating a lamellar nanocomposite structure. Suitable theoretical SAXS models were applied to fit the experimental 1D SAXS data. The surfactant could be chemically polymerized within the lamellar domains.
引用
收藏
页码：11273 / 11280
页数：8
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