Highly ordered orthorhombic mesoporous silica films

被引：53
作者：
Besson, S
Ricolleau, C
Gacoin, T
Jacquiod, C
Boilot, JP [1 ]
机构：
[1] Ecole Polytech, Grp Chim Solide, Phys Mat Condensee Lab, UMR CNRS 7643, F-91128 Palaiseau, France
[2] CNRS, Lab St Gobain Surface du Verre & Interfaces, UMR 125, F-93303 Aubervilliers, France
[3] Univ Paris 06, Lab Mineral Cristallog Paris, UMR 7590, CNRS, F-75252 Paris, France
[4] Univ Paris 07, Lab Mineral Cristallog Paris, UMR 7590, CNRS, F-75252 Paris 05, France
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2003年 / 60卷 / 1-3期
关键词：
mesoporous silica films; orthorhombic mesoporous structure; spin-coating on glass; triblock copolymer; electron microscopy;
D O I：
10.1016/S1387-1811(03)00314-7
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Mesoporous silica films are made by the spin-coating technique using an ethylene oxide propylene oxide-ethylene oxide triblock copolymer (Pluronic PE6800) as template. After optimization of the polymer concentration in the silica sol, films are textured and organized over all the thickness. They exhibit an orthorhombic symmetry (a = 16.0 nm, b = 10.2 nm, c = 23.0 nm) with the b-axis perpendicular to the substrate. This results from a body-centered cubic (bcc) micellar structure which is deformed along the [011](bcc) cubic axis, i.e. perpendicular to the film plane. (C) 2003 Elsevier Science Inc. All rights reserved.
引用
收藏
页码：43 / 49
页数：7
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