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Proceedings Paper

Influence of mechanisms and kinetics of growing ZnO nanocrystals from oversaturated solutions on their optoelectronic properties
Author(s): R. D. Vengrenovich; B. V. Ivanskii; I. I. Panko; M. O. Stasyk; I. V. Fesiv
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Paper Abstract

Within the framework of the modified Lifshitz-Slyozov-Wagner theory, we study the mechanisms and kinetics of formation of ZnO nanocrystals from oversaturated solution accounting the dependence of optoelectronic properties of semiconductor on crystal size. It is shown that the size distribution function can be described by the generalized Lifshitz- Slyozov-Wagner function corresponding to growing ZnO nanocrystals governed in parallel by two mechanisms, viz. the diffusion and the Wagner’s ones. Comparison of experimentally obtained data with theoretically computed ones represented as the size distribution functions and the temporal dependences of the mean sizes of ZnO nanocrystals enables to estimate the constants of the rate of growth of them at the stage of the Ostwald’s ripening. We also propose the way for estimating the magnitude of the specific surface energy at the nanocrystal-liquid interface.

Paper Details

Date Published: 17 December 2013
PDF: 9 pages
Proc. SPIE 9066, Eleventh International Conference on Correlation Optics, 906615 (17 December 2013); doi: 10.1117/12.2048673
Show Author Affiliations
R. D. Vengrenovich, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)
B. V. Ivanskii, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)
I. I. Panko, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)
M. O. Stasyk, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)
I. V. Fesiv, Yuriy Fedkovych Chernivtsi National Univ. (Ukraine)


Published in SPIE Proceedings Vol. 9066:
Eleventh International Conference on Correlation Optics
Oleg Vyacheslavovich Angelsky, Editor(s)

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