Preparation of gold microcrystal-doped oxide optical coatings through adsorption of tetrachloroaurate ions on gel films

被引：30

作者：

Matsuoka, J ^{[1
]}

Naruse, R ^{[1
]}

Nasu, H ^{[1
]}

Kamiya, K ^{[1
]}

机构：

[1] MIE UNIV, FAC ENGN, DEPT CHEM MAT, TSU, MIE 514, JAPAN

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1997年 / 218卷

关键词：

D O I：

10.1016/S0022-3093(97)00164-6

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：

Transparent oxide films containing gold microcrystals for non-linear optics are prepared by a new sol-gel process, in which dip-coated gel films prepared from metal alkoxide solutions are immersed in NaAuCl4 . 2H(2)O aqueous solution and subsequently heat-treated. AuCl4- ions can be incorporated in alumina and titania gel films and thus gold crystals in the films can be formed. On the other hand, the ions are poorly incorporated in zirconia gel and not incorporated in silica gel. This difference is explained by the point of zero charge of these gels. Increase of the concentration of NaAuCl4 . 2H(2)O aqueous solution is not effective in increasing the amount of gold incorporated in the gels. (C) 1997 Elsevier Science B.V.

引用

页码：151 / 155

页数：5

共 16 条

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