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Proceedings Paper

Correlation of injected charge to optical constants (n, k) of electrochromic films
Author(s): Clemens R. Ottermann; A. Temmink; Klaus Bange
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Paper Abstract

Different colouration states of W03 and NiO H have been analyzed by optical spectroscopy and characterized with The films were produced by reactive evaporation. Electrochromic (EC) behaviour were investigated in liquid electrolyte experiments and as a part of allsolid -state devices. Changes in optical properties were determined as a function of injected charge. Spectral colouration efficiencies (CE) are presented for both materials. A linear relationship between macroscropic optical behaviour and change in oxidation state is proved for W03 up to a certain amount of injected charge.

Paper Details

Date Published: 1 August 1990
PDF: 11 pages
Proc. SPIE 1272, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion IX, (1 August 1990); doi: 10.1117/12.20437
Show Author Affiliations
Clemens R. Ottermann, Schott Glaswerke (Germany)
A. Temmink, Schott Glaswerke (Germany)
Klaus Bange, Schott Glaswerke (Germany)


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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