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介孔Au/ZrO2复合薄膜的制备及其三阶非线性光学性能(英文)

Synthesis and Third-order Optical Nonlinearity of Mesoporous Au/ZrO_2 Thin Films
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摘要 以尿素为沉淀剂,通过沉积沉淀的方法,制备了高分散的金纳米颗粒负载的介孔氧化锆薄膜;以1064 nm激光为入射光束,通过Z扫描实验测试了复合薄膜的非线性光学折射和吸收,并计算了复合薄膜的非共振三阶非线性光学极化率（~10-10esu）,金纳米颗粒的高分散性和氧化锆薄膜衬底的高线性折射率使复合薄膜显示了增强的三阶非线性极化率. Highly dispersed gold nanoparticles incorporated mesoporous zirconia thin films were synthesized through an easy deposition-precipitation method using urea as precipitator. The resultant composite thin films presented an enhanced off-resonant third-order optical nonlinear susceptibility of 10 -10 esu measured by Z-scan technique at 1064 nm. The enhanced optical nonlinearity of the composite thin films was attributed to the high dispersion of the gold nanoparticles and the high linear refractive index of the zirconia matrix.
作者 陆强 崔方明 魏晨阳 华子乐 董长青
机构地区 华北电力大学 中国空间技术研究院 中国科学院上海硅酸盐研究所
出处 《无机材料学报》 SCIE EI CAS CSCD 北大核心 2012年第3期327-331,共5页 Journal of Inorganic Materials
基金 National Natural Science Foundation of China(51106052) Program for New Century Excellent Talents in University(NCET-10-0374) Fundamental Research Funds for the Central Universities(11QG25)
关键词 金纳米颗粒 介孔 氧化锆薄膜 三阶非线性光学性能 Au nanoparticles mesoporous ZrO 2 thin films third-order optical nonlinearity
分类号 TQ174 [化学工程—陶瓷工业]
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参考文献23

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无机材料学报
2012年 第3期

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