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Proceedings Paper

Solid polyorganodisulfide electrodes as ion storage layers for electrochromic devices
Author(s): Marca M. Doeff; Carl M. Lampert; Steven J. Visco; Yan-Ping Ma
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Paper Abstract

We report on the fabrication and use of new ion storage layers as counter electrodes for completely solid state electrochromic windows. The ion storage layers are transparent composites of a room temperature ion-conducting polymer and an electroactive material based upon the polyorganodisulfide/dithiolate redox couple. Solid state devices consisting of molybdenum doped W03, a polymer ion conductor layer and the new ion storage layers colored rapidly from a pale yellow to a deep blue-green, upon application of 1 .2 V d.c. The photopic transmittance changed from 6 1 to 9% , and the solar transmittance from 45 to 5% during the coloration process, for a typical example. Because the counter electrode does not change optical properties as a function of redox state, problems with color imbalance can be avoided completely. The large number of polyorganodisulfides that may be used for this application allows for flexibility in device design and properties, and the use of solid state components ensures improved stability of windows incorporating this technology.

Paper Details

Date Published: 25 November 1992
PDF: 9 pages
Proc. SPIE 1728, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Chromogenics for Smart Windows, (25 November 1992); doi: 10.1117/12.130532
Show Author Affiliations
Marca M. Doeff, Univ. of California/Berkeley (United States)
Carl M. Lampert, Lawrence Berkeley Lab. (United States)
Steven J. Visco, Univ. of California/Berkeley (United States)
Yan-Ping Ma, Lawrence Berkeley Lab. (United States)

Published in SPIE Proceedings Vol. 1728:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Chromogenics for Smart Windows
Anne Hugot-Le Goff; Claes-Goeran Granqvist; Carl M. Lampert, Editor(s)

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