Preparation and characterization of Au-dispersed TiO2 thin films by a liquid-phase deposition method

被引：85

作者：

Deki, S

Aoi, Y

Yanagimoto, H

Ishii, K

Akamatsu, K

Mizuhata, M

Kajinami, A

机构：

[1] Department of Chemical Science and Engineering, Faculty of Engineering, Kobe University, Nada-ku, Kobe 657, Rokkodai-cho

来源：

JOURNAL OF MATERIALS CHEMISTRY | 1996年 / 6卷 / 12期

关键词：

D O I：

10.1039/jm9960601879

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Au-dispersed TiO2 (anatase) thin films have been prepared by a novel method, liquid-phase deposition (LPD). The deposited films were characterized by XRD, XPS, TEM and UV-VIS absorption spectroscopy. The results showed that the titanium oxide thin him containing Au-III ions was formed from a mixed solution of ammonium hexafluorotitanate, boric acid and tetrachloroauric acid. Heat treatment above 200 degrees C of the deposited film under flowing air produced dispersed Au metal particles, accompanied by the crystallization of titanium oxide as a matrix. The mean particle size of the dispersed Au particles was ca. 15 nm. The optical absorption band due to the surface plasmon resonance of the dispersed Au particles shifted toward longer wavelengths with increasing heat-treatment temperature.

引用

页码：1879 / 1882

页数：4

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