Gold Nanorods: from Synthesis to Optical Properties

被引：3
|
作者：
Ban, Guijun [1 ]
Fu, Xiuli [1 ]
Peng, Zhijian
机构：
[1] Beijing Univ Posts & Telecommun, Sch Sci, Beijing 100876, Peoples R China
来源：
HIGH-PERFORMANCE CERAMICS VIII | 2014年 / 602-603卷
关键词：
Gold Nanorods; Seed-mediated; Z-scan; Optical properties;
D O I：
10.4028/www.scientific.net/KEM.602-603.993
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Gold nanorods with different aspect ratios, exhibiting localized surface plasmon resonance in a tuned longitudinal mode, were prepared by employing a seed mediated growth approach. Their third-order nonlinear optical properties were investigated by using femtosecond Z-scan technique at 800 nm. All the prepared gold nanorods with different aspect ratios exhibited a reverse saturation absorbance behavior, and the value of effective nonlinear absorption coefficient reaches its maximum when the longitudinal surface plasmon resonance peak of the gold nanorods located near the excitation wavelength.
引用
收藏
页码：993 / 997
页数：5
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