Synthesis and characterization of hexagonally packed mesoporous tantalum oxide thin film

被引：14
|
作者：
Newalkar, BL
Komarneni, S [1 ]
Katsuki, H
机构：
[1] Penn State Univ, Mat Res Inst, Mat Res Lab, University Pk, PA 16802 USA
[2] Saga Ceram Res Lab, Saga 8440024, Japan
来源：
MATERIALS LETTERS | 2002年 / 57卷 / 02期
关键词：
sol-gel synthesis; mesoporous tantalum oxide; thin film;
D O I：
10.1016/S0167-577X(02)00808-X
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A mesoporous thin film form of tantalum oxide, a wide band gap and semiconductor ceramic, is prepared by templating a tantalum silica precursor (tantalum ethoxide) with pluronic P 123 copolymer (EO20PO70EO20; M.W 5800) using sol-gel-based spin casting approach. The obtained crystalline phase was characterized by means of X-ray diffraction, nitrogen adsorption-desorption measurements at - 196 degreesC and transmission electron microscopy (TEM) techniques. Such form of tantalum oxide is believed to have potential applications in novel devices such as solar cells and photocatalysts. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：444 / 447
页数：4
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