Objective-type dark-field imaging spectroscopy applied to monitor the orientation of nonspherical gold nanoparticles

被引：2
|
作者：
Huang, Yu [1 ]
Zhang, Wei [1 ]
He, Ji-Ming [1 ]
Chen, Zhao-Ming [1 ]
Tang, Dong-Yun [1 ]
Liu, Li-Juan [1 ]
He, Shi-Xuan [1 ]
机构：
[1] Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 401122, Peoples R China
来源：
OPTICAL ENGINEERING | 2013年 / 52卷 / 02期
基金：
中国科学院西部之光基金;
关键词：
localized surface plasmon resonance; polarization; single particle spectroscopy; dark-field; PLASMON RESONANCE; DEPENDENCE; SCATTERING; LINEWIDTH; NANORODS; SPECTRA; CELLS; BAND;
D O I：
10.1117/1.OE.52.2.023602
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An objective-type dark-field imaging spectroscope is used for imaging the orientation of single nonspherical nanoparticles. This simple and effective technique is able to simultaneously provide the spectral and spatial information of single nanoparticles. The orientation information of the nanoparticles is determined by investigating their polarization dependent longitudinal and transverse plasmon resonant wavelengths. The determination of the nanoparticles' orientation could be used as a complementary tool to fluorescent labeling in biological applications. (C) 2013 Society of Photo-Optical Instrumentation Engineers (SPIE) [DOI: 10.1117/1.OE.52.2.023602]
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收藏
页数：6
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