Thermally stable nanocrystallised mesoporous zirconia thin films

被引：23
|
作者：
Wang, Kaixue [1 ,2 ]
Morris, Michael A. [1 ,2 ]
Holmes, Justin D. [1 ,2 ]
Yu, Jihong [3 ]
Xu, Ruren [3 ]
机构：
[1] Natl Univ Ireland Univ Coll Cork, Mat Sect, Dept Chem, Cork, Ireland
[2] Natl Univ Ireland Univ Coll Cork, Supercrit Fluid Ctr, Cork, Ireland
[3] Jilin Univ, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130023, Peoples R China
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2009年 / 117卷 / 1-2期
基金：
爱尔兰科学基金会;
关键词：
Zirconia; Thin films; Mesoporous materials; Thermal stability; Supercritical fluids; STABILIZED ZIRCONIA; YTTRIA-ZIRCONIA; ELECTRICAL-PROPERTIES; EPITAXIAL-GROWTH; TRANSITION-METAL; OXIDE; TEMPERATURE; SUBSTRATE; COATINGS; TITANIA;
D O I：
10.1016/j.micromeso.2008.06.019
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A supercritical fluid process method has been developed for fabricating mesoporous zirconia thin films with enhanced thermal stability up to a temperature of 850 degrees C. Both the supercritical CO2 and the precursor tetramethoxysilane play an important role in enhancing the thermal stability of these films. Powder X-ray diffraction, Atomic force microscope, spectroscopic ellipsometry and transmission electron microscope analyses show that the thin films fabricated by the supercritical fluid process method have a highly ordered mesoporous structure, a nanocrystalline inorganic framework and a high optical transparency. These zirconia thin films have potential applications as electrodes in solid oxide fuel cells where high thermal stability is essential. (C) 2008 Elsevier Inc. All rights reserved.
引用
收藏
页码：161 / 164
页数：4
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