Preparation of copper sulfide and gold nanoparticles dispersed in hydroxypropylcellulose-silica film with gas diffusion method

被引：0
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作者：
Yang, W
Inoue, H
Nakazono, Y
Samura, H
Saegusa, T
机构：
来源：
NANOTECHNOLOGY: MOLECULARLY DESIGNED MATERIALS | 1996年 / 622卷
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中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new method for preparation of silica films containing dispersed nanoparticles of CuS and Au is reported. These particles were generated through reaction with H2S gas with their precursors which were uniformly dissolved in silica films as promoted by a compatibilizer, hydroxypropyl cellulose(HPC). Al films with characteristic colors were transparent. The particle size, size distribution and composite structure of the films depended on the precursor concentration and matrix composition. Electric conductivity was observed for the CuS embedded film with the value of 2.8 X 10(2) Omega/square. Au particles dispersed homogeneously in HPC-silica film with narrow radius distribution were prepared from HAuCl4 by H2S gas treatment. Au particles with diameter of as small as 3 nm were prepared with this method.
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页码：205 / 219
页数：15
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