Design And Optical Modulation Of A-WO[sub]3[/sub]/A-IrO[sub]2[/sub] Electrochromic Windows

Stuart F. Cogan; Timothy D. Plante; Robert S. McFadden; R.David Rauh

doi:10.1117/12.941875

12 November 1987 Design And Optical Modulation Of A-WO₃/A-IrO₂ Electrochromic Windows

Stuart F. Cogan, Timothy D. Plante, Robert S. McFadden, R.David Rauh

Proceedings Volume 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI; (1987) https://doi.org/10.1117/12.941875
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

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.

Citation Download Citation

Stuart F. Cogan, Timothy D. Plante, Robert S. McFadden, and 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); https://doi.org/10.1117/12.941875

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