Preparation of Coating Films Doped with Gold Metal Particles from Methyltriethoxysilane-Tetraethoxysilane Solutions

被引：33

作者：

Innocenzi, Plinio ^{[1
]}

Kozuka, Hiromitsu ^{[1
]}

Sakka, Sumio ^{[1
]}

机构：

[1] Kyoto Univ, Inst Chem Res, Kyoto 611, Japan

来源：

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 1994年 / 1卷 / 03期

关键词：

coating films; composites; gold metal particles; methyltriethoxysilane; absorption spectra;

D O I：

10.1007/BF00486173

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：

Silica coating films of 0.5-0.7 mu m in thickness doped with gold metal particles were prepared by heating gel coating films obtained from solutions of acid-catalyzed methyltriethoxysilane (MTES) and tetraethoxysilane (TEOS) mixture containing chlorauric acid tetrahydrate. Transparent coating films with deep blue, red, and purple colors were obtained. Changes in size and shape of the gold particles with the MTES content were observed. Lower MTES contents gave bigger and non-spherical particles, while higher MTES contents produced smaller and more spherical particles with a more uniform size distribution. The effect of heat-treatment temeprature on the shape, size, and size distribution of the metallic gold particles was also studied.

引用

页码：305 / 318

页数：14

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