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Proceedings Paper

Sol-gel deposition of electrochromic copper oxide films
Author(s): Nilgun Ozer; Fatma Tepehan
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Paper Abstract

This paper discusses the optical and electrochromic properties of CuxO films deposited by sol-gel process. UV-VIS-NIR spectroscopy, SEM, X-ray Diffraction and X-ray Photoelectron spectroscopy have been employed in a study of structure and optical properties of coatings. The sol-gel process offers new approaches to optical properties of coatings prepared by the acid catalyzed reactions of alkoxides. CuxO polymeric solutions are formed upon hydrolysis-condensation of copper ethoxide. Transparent amorphous CuxO coatings ranging in the thickness from 43 to 615 nm, were deposited on Corning 7059 and transparent conducting plates from polymeric solutions. These films exhibited reversible electrochromism that their color turn from transparent to pale brown. The combined effect of firing temperature (in the range of 70 - 450 degree(s)C) on optical properties and response time of these films are investigated. Significant changes in optical properties and electrochromic properties have been observed with firing temperatures.

Paper Details

Date Published: 22 October 1993
PDF: 19 pages
Proc. SPIE 2017, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XII, (22 October 1993); doi: 10.1117/12.161952
Show Author Affiliations
Nilgun Ozer, Istanbul Technical Univ. (United States)
Fatma Tepehan, Istanbul Technical Univ. (Turkey)

Published in SPIE Proceedings Vol. 2017:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XII
Carl M. Lampert, Editor(s)

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