Electrochromic Behavior Of Hydrated Nickel-Oxide Films Prepared By Rf Sputtering

Shoji Yamada; Tatsuo Yoshioka; Masatoshi Miyashita; Kazuo Urabe; Michihiko Kitao

doi:10.1117/12.949911

6 March 1989 Electrochromic Behavior Of Hydrated Nickel-Oxide Films Prepared By Rf Sputtering

Shoji Yamada, Tatsuo Yoshioka, Masatoshi Miyashita, Kazuo Urabe, Michihiko Kitao

Proceedings Volume 1016, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VII; (1989) https://doi.org/10.1117/12.949911
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

Nickel-oxide films are prepared by rf sputtering, and their electrochromic properties are investigated. Sputtering atmosphere used is an Ar-0₂ mixture. The films obtained can be electrochemically colored and bleached reversibly in an 1-N NaOH solution, and are colored anodically. Colored film is dark brown, and bleached one is colorless and transparent. Maximum coloration efficiency obtained is 36 cm²/C at a wavelength of 640 nm. Coloration efficiency depends on total pressure of sputtering atmosphere, but is independent of oxygen content in the atmosphere.

Citation Download Citation

Shoji Yamada, Tatsuo Yoshioka, Masatoshi Miyashita, Kazuo Urabe, and Michihiko Kitao "Electrochromic Behavior Of Hydrated Nickel-Oxide Films Prepared By Rf Sputtering", Proc. SPIE 1016, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VII, (6 March 1989); https://doi.org/10.1117/12.949911

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