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Proceedings Paper

Spectral and dielectric properties of nematic liquid crystal doped semiconductor quantum dots CdSe/ZnS
Author(s): M. A. Kurachkina; D. P. Shcherbinin; E. A. Konshina
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Paper Abstract

We investigated the absorption and luminescence spectra and the low-frequency spectra of dielectric losses of the nematic liquid crystal (NLC) suspensions with quantum dots (QDs) CdSe/ZnS with a core diameter of 3.5 nm and 5.0 nm. The changing of luminescence intensity and dielectric losses in the region below 103 Hz were observed as result variation of a concentration and a QDs size in the spectra of NLC/QDs suspensions in comparison with the pure NLC. Luminescence quenching of the NLC and the increase of dielectric loss in the spectra were found with the increasing CdSe/ZnS concentration in interval between 0.07 - 0.3 wt. %.

Paper Details

Date Published: 1 June 2015
PDF: 5 pages
Proc. SPIE 9519, Nanotechnology VII, 95190Z (1 June 2015); doi: 10.1117/12.2179024
Show Author Affiliations
M. A. Kurachkina, ITMO Univ. (Russian Federation)
D. P. Shcherbinin, ITMO Univ. (Russian Federation)
E. A. Konshina, ITMO Univ. (Russian Federation)

Published in SPIE Proceedings Vol. 9519:
Nanotechnology VII
Ion M. Tiginyanu, Editor(s)

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