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Proceedings Paper

Electrochromism in metal oxide films studied by Raman spectroscopy and A.C. techniques: charge insertion mechanism
Author(s): Susana Ines Cordoba -Torresi; H. Takenouti
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Paper 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.

Paper Details

Date Published: 1 August 1990
PDF: 10 pages
Proc. SPIE 1272, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion IX, (1 August 1990); doi: 10.1117/12.20441
Show Author Affiliations
Susana Ines Cordoba -Torresi, Univ. Pierre et Marie Curie (Brazil)
H. Takenouti, Univ. Pierre et Marie Curie (France)


Published in SPIE Proceedings Vol. 1272:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion IX
Claes-Goeran Granqvist; Carl M. Lampert, Editor(s)

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