Fabrication of transparent ceria films by spray deposition without post firing

被引：10

作者：

Gallage, Ruwan ^{[1
]}

Matsuo, Atsushi ^{[1
]}

Watanabe, Tomoaki ^{[1
]}

Matsushita, Nobuhiro ^{[1
]}

Yoshimura, Masahiro ^{[1
]}

机构：

[1] Tokyo Inst Technol, Mat & Struct Lab, Yokohama, Kanagawa, Japan

来源：

JOURNAL OF ELECTROCERAMICS | 2009年 / 22卷 / 1-3期

关键词：

Cerium oxide; Film; Spray deposition; Optical properties; Transparent film; THIN-FILMS; OPTICAL-PROPERTIES; ELECTRICAL-CONDUCTIVITY; OXIDE NANOPARTICLES; PYROLYSIS; MICROSTRUCTURE; MORPHOLOGY; CERAMICS; SIZE;

D O I：

10.1007/s10832-008-9464-8

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Most of the existing methods of crystalline ceria (CeO2) films preparation consume much time and cost. Here we describe a straightforward and relatively cost-effective method of CeO2 films preparation that involves direct spray deposition process on glass substrates at moderate temperatures (300-400 A degrees C) using cerium acetate precursor in mixture of water and ethanol. X-ray diffraction analysis of obtained films revealed that they were polycrystalline, at least for a certain extent, with cubic fluorite structure and showed the existence of nanocrystallites. Scanning electron microscopic analysis showed that the films were crack-free and consists of nanocrystalline(< 10 nm) ceria. Furthermore, the film showed high transparency in the visible and near-infrared region with calculated optical band gap (E (g)) value of 3.06-3.08 eV. The film formation mechanism to obtain the transparent film has also been proposed.

引用

页码：33 / 39

页数：7

共 36 条

[1] Ferrite plating:: a chemical method preparing oxide magnetic films at 24-100°C, and its applications [J].