12 November 1987 Design And Optical Modulation Of A-WO3/A-IrO2 Electrochromic Windows
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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.
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Stuart F. Cogan, Timothy D. Plante, Robert S. McFadden, R.David Rauh, "Design And Optical Modulation Of A-WO3/A-IrO2 Electrochromic Windows", Proc. SPIE 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI, (12 November 1987); doi: 10.1117/12.941875; https://doi.org/10.1117/12.941875


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