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Proceedings Paper

Electric field-induced color switching of luminescence from ZnO nanoparticle/polymer
Author(s): G. N. Panin; A. N. Baranov; T. W. Kang
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Paper Abstract

We report on reversible switching induced by an electric field between blue-green and red cathodoluminescence (CL) in the ZnO:Mg nanoparticles/poly(4,4'-diphenylene diphenylvinylene) (PDPV) nanostructure. It has been found that the PDPV-ZnO:Mg structures shows the CL emission maximum in the blue-green region without an electric field. The positive bias voltage suppressed the blue-green emission and shifted the emission maximum to the red region. The structural and optical properties of the doped ZnO particles are investigated and the mechanism for the formation of the exited states in PDPV-ZnO:Mg nanostructures is discussed. It implies the presence of radiative recombination channels, which can be adjusted by a biased voltage to the carrier depletion or accumulation mode.

Paper Details

Date Published: 5 March 2008
PDF: 8 pages
Proc. SPIE 7009, Second International Conference on Advanced Optoelectronics and Lasers, 700915 (5 March 2008); doi: 10.1117/12.793473
Show Author Affiliations
G. N. Panin, Dongguk Univ. (South Korea)
Institute of Microelectronics Technology (Russia)
A. N. Baranov, Moscow State Univ. (Russia)
T. W. Kang, Dongguk Univ. (South Korea)

Published in SPIE Proceedings Vol. 7009:
Second International Conference on Advanced Optoelectronics and Lasers
Igor A. Sukhoivanov; Vasily A. Svich; Yuriy S. Shmaliy, Editor(s)

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