Preparation and optical properties of gold nanoparticles embedded in barium titanate thin films

被引：0
|
作者：
Yong Yang
Jianlin Shi
Weiming Huang
Shugang Dai
Lin Wang
机构：
[1] Shanghai Institute of Ceramics,State key Lab of High Performance Ceramics and Superfine Microstructure
[2] Chinese Academy of Science,undefined
来源：
Journal of Materials Science | 2003年 / 38卷
关键词：
Gold Nanoparticles; Thiourea; BaTiO3; Barium Titanate; Nonlinear Susceptibility;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
High amount of gold nanoparticles was successfully incorporated into amorphous BaTiO3 thin films by sol-gel process. Thiourea was applied to prevent Au ions from being reduced and aggregating as the effective stabilization agents. These films exhibited unique surface plasma resonance red-shifting and particular changes of surface plasma resonance intensity with the increase of heat-treating temperature, which could be attributed to the influence of BaTiO3 ferroelectric domains. The films also exhibited superfast nonlinear optical response and larger third-order nonlinear susceptibility χ(3), which was attributed to hot electron contribution.
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页码：1243 / 1248
页数：5
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