Light-driven plasmonic switches based on Au nanodisk arrays and photoresponsive liquid crystals

被引：156
|
作者：
Hsiao, Vincent K. S. [1 ]
Zheng, Yue Bing [1 ]
Juluri, Bala Krishna [1 ]
Huang, Tony Jun [1 ]
机构：
[1] Penn State Univ, Dept Engn Sci & Mech, University Pk, PA 16802 USA
来源：
ADVANCED MATERIALS | 2008年 / 20卷 / 18期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1002/adma.200800045
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
An optically controlled plasmonic switch that uses Au nanodisk arrays embedded in azobenzene-doped, photoresponsive liquid crystals (LCs) is reported. The switch utilizes the photo-induced phase transition of 3 azobenzene-doped LCs to alter the localized surface plasmon resonance (LSPR) of the Au nanodisks. The experimental modulation of the LSPR matches well with theoretical calculations. The influence of the angle of the incident light, power of the pump light, and wavelength of the probe light are also investigated.
引用
收藏
页码：3528 / +
页数：6
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