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Optical Engineering

Spectral properties of ZnO and ZnO-Al2O3 coatings prepared by polymer-salt method
Author(s): Sergei K. Evstropiev; Yury A. Gatchin; Kirill S. Evstropyev; Eva B. Romanova
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Paper Abstract

Experimental results show that the use of film-forming solutions based on zinc and aluminum nitrates and high molecular polyvinylpyrrolidone allows obtaining thin oxide coatings having unusually large bandgap values and transparent in a wide spectral range. The values of the bandgaps of coating materials are significantly higher than the bandgap of bulk ZnO, and it is varied in the range from 3.46 to 4.16 eV, resulting from the metastable structure of the coating.

Paper Details

Date Published: 27 April 2016
PDF: 5 pages
Opt. Eng. 55(4) 047108 doi: 10.1117/1.OE.55.4.047108
Published in: Optical Engineering Volume 55, Issue 4
Show Author Affiliations
Sergei K. Evstropiev, ITMO Univ. (Russian Federation)
S.I. Vavilov State Optical Institute (Russian Federation)
Yury A. Gatchin, ITMO Univ. (Russian Federation)
Kirill S. Evstropyev, ITMO Univ. (Russian Federation)
Eva B. Romanova, ITMO Univ. (Russian Federation)

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