Electrochromism Of A Tungsten Compound Film

Kozo Fujino; Hiroaki Tada; Hideo Kawahara

doi:10.1117/12.941879

12 November 1987 Electrochromism Of A Tungsten Compound Film

Kozo Fujino, Hiroaki Tada, Hideo Kawahara

Proceedings Volume 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI; (1987) https://doi.org/10.1117/12.941879
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

Electrochromic film has been prepared through liquid phase deposition (LPD) process with an aqueous solution containing an oxalatotungstate (V) complex, and its chemical and electrochromic properties have been investigated. Results showed that two redox couples exist on a cyclic voltammogram and that oxalate ligands would be present in the film coordinating to the tungsten atoms. The redox couple at positive potential is considered due to movement of the cation getting into and out of the sites like crown ether formed by oxlato ligands. The film has fairly good electrochromism exhibiting reversibility as much as 10⁵colourbleach cycles or more in response to an applied potential.

Citation Download Citation

Kozo Fujino, Hiroaki Tada, and Hideo Kawahara "Electrochromism Of A Tungsten Compound Film", Proc. SPIE 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI, (12 November 1987); https://doi.org/10.1117/12.941879

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