Electrochromism in metal oxide films studied by Raman spectroscopy and A.C. techniques: charge insertion mechanism

Susana Ines Cordoba -Torresi; H. Takenouti

doi:10.1117/12.20441

1 August 1990 Electrochromism in metal oxide films studied by Raman spectroscopy and A.C. techniques: charge insertion mechanism

Susana Ines Cordoba -Torresi, H. Takenouti

Author Affiliations +

Proceedings Volume 1272, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion IX; (1990) https://doi.org/10.1117/12.20441
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

Two different types of electrochromic nickel oxide films are studied : nickel hydroxide films prepared by cathodic precipitation from a Ni2 containing solution and nickel oxide films formed by anodic oxidation of a nickel substrate in very concentrated sulfuric acid. Chemical and crystallographic nature is analysed by in-situ Raman spectroscopy and the charge insertion mechanisms are studied by A.C. electrochemical impedance technique. The optical transfer function is also determined by means of 1254 Solartron frequency response analyzer. The complex capacitance C*(w), the differential coloration R/(RAE) and the differential coloration efficiency R/(RQ) are calculated.

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Susana Ines Cordoba -Torresi and H. Takenouti "Electrochromism in metal oxide films studied by Raman spectroscopy and A.C. techniques: charge insertion mechanism", Proc. SPIE 1272, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion IX, (1 August 1990); https://doi.org/10.1117/12.20441

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