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Proceedings Paper

Study on the diffusions of a quantum rod using polarized fluorescence correlation spectroscopy
Author(s): J. Lee; F. Fujii; S. Y. Kim; C. G. Back; S. K. Kim
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Paper Abstract

The polarization dependence of rotational diffusion of quantum rods was investigated and characterized by analyzing amplitude and characteristic time of the correlation functions. In order to measure the polarization dependence, a polarized fluorescence correlation spectroscopy system was composed based on a microscope. From the results, the rotational diffusion region of Qrod was observed at a time range below 10-5 s, and the rotational diffusion parameters were extracted by using a rotational diffusion model. The parameters revealed the polarization dependence of rotational diffusion of Qrod in solution. We showed that polarized FCS is quite useful to investigate rotational diffusion of rod-like particles.

Paper Details

Date Published: 20 May 2013
PDF: 10 pages
Proc. SPIE 8879, Nano-Bio Sensing, Imaging, and Spectroscopy, 88790R (20 May 2013); doi: 10.1117/12.2018690
Show Author Affiliations
J. Lee, Univ. of Ulsan (Korea, Republic of)
F. Fujii, Osaka Univ. (Japan)
S. Y. Kim, Korea Advanced Institute of Science and Technology (Korea, Republic of)
C. G. Back, RIKEN (Japan)
S. K. Kim, Univ. of Ulsan (Korea, Republic of)


Published in SPIE Proceedings Vol. 8879:
Nano-Bio Sensing, Imaging, and Spectroscopy
Shin Won Kang; Seung-Han Park; Luke P. Lee; Ki-Bong Song; Yo Han Choi, Editor(s)

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