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Proceedings Paper

Design And Optical Modulation Of A-WO[sub]3[/sub]/A-IrO[sub]2[/sub] Electrochromic Windows
Author(s): Stuart F. Cogan; Timothy D. Plante; Robert S. McFadden; R.David Rauh
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Paper Abstract

The fabrication and design of electrochromic windows based on cathodically coloring amorphous tungsten trioxide (a-W03) and anodically coloring iridium oxide (a-Ir02) are described. Using electrochemical data obtained from slow-sweep-rate cyclic voltammetry and coloration efficiency measurements of the individual a-W03 and Ir02 films, the optical switching characteristics of an a-W03/a-Ir02 electrochromic window may be predicted. The evolution of the optical absorbance spectra of a-W03/a-Ir02 windows are presented and used to determine the solar (350-1300 nm) and visible (400-700 nm) transmittance. The effect of multicycle switching and temperature (-20 to 60°C) on the performance of the electrochromic windows are also discussed.

Paper Details

Date Published: 12 November 1987
PDF: 7 pages
Proc. SPIE 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI, (12 November 1987); doi: 10.1117/12.941875
Show Author Affiliations
Stuart F. Cogan, EIC Laboratories, Inc. (United States)
Timothy D. Plante, EIC Laboratories, Inc. (United States)
Robert S. McFadden, EIC Laboratories, Inc. (United States)
R.David Rauh, EIC Laboratories, Inc. (United States)


Published in SPIE Proceedings Vol. 0823:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI
Carl M. Lampert, Editor(s)

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