Optical properties of silver nanoprisms and their influences on fluorescence of europium complex

被引：27
|
作者：
Wang, Qingru [1 ,2 ]
Song, Feng [1 ,2 ]
Lin, Shangxin [3 ]
Liu, Jiadong [1 ,2 ]
Zhao, Hongyan [1 ]
Zhang, Chao [1 ]
Ming, Chengguo [1 ,2 ]
Pun, Edwin Y. B. [3 ]
机构：
[1] Nankai Univ, Coll Phys Sci, Photon Ctr, Tianjin 300071, Peoples R China
[2] Nankai Univ, Key Lab Weak Light Nonlinear Photon, MOE, Tianjin 300457, Peoples R China
[3] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 08期
基金：
美国国家科学基金会;
关键词：
ENHANCED LUMINESCENCE; PLASMON RESONANCE; NANOPARTICLES; PARTICLES; COLLOIDS; SHAPE; SIZE;
D O I：
10.1364/OE.19.006999
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The optical properties of truncated triangular silver nanoprisms and their influences on the fluorescence of europium complex Eu(TTFA)(3) were investigated in theory and experiment separately. In theory, we found that the fluorescence of Eu ions would be greatly enhanced by these nanoprisms, the enhancement factor of the fluorescence depended on the concentrations of nanoprisms. They were verified in the experiment. The influence of silver nanoprisms on the radiative and nonradiative decay rates of Eu ions were also deduced, and found that the silver nanoprisms greatly reduced the energy loss caused by the nonradiative decay. (C) 2011 Optical Society of America
引用
收藏
页码：6999 / 7006
页数：8
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