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

Yu Huang; Wei Zhang; Ji-Ming He; Zhao-Ming Chen; Dong-Yun Tang; Li-Juan Liu; Shi-Xuan He

doi:10.1117/1.OE.52.2.023602

13 February 2013 Objective-type dark-field imaging spectroscopy applied to monitor the orientation of nonspherical gold nanoparticles

Yu Huang, Wei Zhang, Ji-Ming He, Zhao-Ming Chen, Dong-Yun Tang, Li-Juan Liu, Shi-Xuan He

Author Affiliations +

Optical Engineering, Vol. 52, Issue 2, 023602 (February 2013). https://doi.org/10.1117/1.OE.52.2.023602

Abstract

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.

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Yu Huang, Wei Zhang, Ji-Ming He, Zhao-Ming Chen, Dong-Yun Tang, Li-Juan Liu, and Shi-Xuan He "Objective-type dark-field imaging spectroscopy applied to monitor the orientation of nonspherical gold nanoparticles," Optical Engineering 52(2), 023602 (13 February 2013). https://doi.org/10.1117/1.OE.52.2.023602

Published: 13 February 2013

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