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Proceedings Paper

Research on solid electrochromic mirror
Author(s): Yong Ji; Yu-bin Miao; Pen-fei Zhou; Lin Chen
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Paper Abstract

The electrochromic mirror has prospective applications in rear mirror of automobiles. Starting with the technique of electrochromic mirror, this paper presents the research results of such a mirror. When evaporation a five-layer thin film stack i.e. glass/ITO/NiO(Lithiumed)/Ta2O5/WO3/Al on a transparent glass substrate, we can obtain an electrochromic mirror. We find that the coating technique will play a key role on the function of the device. The thickness of some layers is critical for the mirror, these layers are NiO, Ta2O5 and WO3. The actually prepared mirror with such structure has a reflectance variation from 70% to 15%. The switching time is about 15 seconds and 7 seconds from bleaching to coloration and from bleaching to coloration respectively. The effects of film structure and composition to the properties of the mirror are measured and discussed by x-ray diffraction, x-photo spectrum and voltammetry. The electrochromic mirror meets the needs for practical application.

Paper Details

Date Published: 3 October 1996
PDF: 6 pages
Proc. SPIE 2897, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications, (3 October 1996); doi: 10.1117/12.252951
Show Author Affiliations
Yong Ji, East China Univ. of Technology (China)
Yu-bin Miao, East China Univ. of Technology (China)
Pen-fei Zhou, East China Univ. of Technology (China)
Lin Chen, East China Univ. of Technology (China)


Published in SPIE Proceedings Vol. 2897:
Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications
Manfred Eich; Bruce H. T. Chai; Minhua Jiang, Editor(s)

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