Enhanced optical second harmonic generation in hybrid polymer nanoassemblies based on coupled surface plasmon resonance of a gold nanoparticle array
Enhanced optical second harmonic generation in hybrid polymer nanoassemblies based on coupled surface plasmon resonance of a gold nanoparticle array
复制标题
DOI：
10.1063/1.2219086
复制
发表时间：
2006-07
影响因子：
4
通讯作者：
Miki Ishifuji;M. Mitsuishi;T. Miyashita
中科院分区：
文献类型：
--
作者：
Miki Ishifuji;M. Mitsuishi;T. Miyashita
实验证明了金纳米粒子的耦合表面等离子体共振在基于二阶非线性光学的光电应用中的有效利用。利用非线性光学活性聚合物纳米片操纵金纳米粒子阵列，构建了杂化聚合物纳米组件，研究了其二次谐波的产生。在异质沉积的聚合物纳米片上组装了金纳米粒子阵列。二次谐波光强增强了8倍。观察到的增强归因于两个相邻金纳米粒子之间的表面等离子体激元耦合，从而增强了纳米粒子周围在基光波长（1064nm）的表面电磁场。
Effective utilization of coupled surface plasmon resonance from gold nanoparticles was demonstrated experimentally for optoelectronic applications based on second-order nonlinear optics. Hybrid polymer nanoassemblies were constructed by manipulating gold nanoparticle arrays with nonlinear optical active polymer nanosheets to investigate the second harmonic generation. The gold nanoparticle arrays were assembled on heterodeposited polymer nanosheets. The second harmonic light intensity was enhanced by a factor of 8. The observed enhancement was attributed to coupling of surface plasmons between two adjacent gold nanoparticles, thereby enhancing the surface electromagnetic field around the nanoparticles at the fundamental light wavelength (1064nm).