Solid electrolytes for conducting polymer-based color switchable

Details Solid electrolytes for conducting polymer-based color switchable Solid electrolytes for conducting polymer-based color switchable

1989-06-27

1993-10-12

Mintel, William

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359269, 359270, 359273, G02F 101

Patent

active

052531007

ABSTRACT:
Electrochromic material, i.e. polyaniline, is polymerized in situ in a polymeric electrolyte to form an electrochromic/polyelectrolyte mixture. The mixture is coated as a film on electrochromic material. A film of electrolyte is placed in ion transfer relationship with the electrochromic/polyelectrolyte film. This electrochromic/polyaniline/polyelectrolyte film greatly increases the ion transfer between the electrochromic film and the electrolytic film by imposing a region of molecularly mixed electrochromic material and electrolyte.

REFERENCES:
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patent: 4586792 (1986-05-01), Yang et al.
patent: 4842383 (1989-06-01), Yang et al.
Journal of Physical Chemistry McManus et al., "Influence of Oxidation and Protonation on the Electrical Conductivity of Polyaniline", 1987, pp. 744-747.
Synthetic Metals J. H. Hwang and S. C. Yang "Morphological Modification of Polyaniline using Polyelectrolyte Template Molecules", 1989, pp. 271-276.
Proceedings of the SID, vol. 28/3, "A Solid Electrochromic Cell Consisting of Lu-Diphthalocyanine and Lead Fluoride" Egashira et al., 1987 pp. 227-237.
"Modified Viologens with Improved Electrochemical Properties for Display Applications", J. Electrochem. Soc.: Electrochemical Science and Technology Bruinink et al., Dec. 1977, pp. 1854-1858.
"Electrochemical Doping of Polyaniline: Effects on Conductivity and Optical Spectra", McManus et al., Journal of the Chemical Society, 1985 pp. 1554-1557.
"Protonation and Electrochemical doping of polyaniline: Correlation between the changes in electrical conductivity and optical spectrum" Makromol. Chem., Rapid Commun. 8, Cushman et al. 1987 pp. 69-75.
"Spectroelectrochemical Study of Polyaniline: The Construction of a pH-Potential phase Diagram", J. Electroanal. Chem. 291 (1986) pp. 335-346.

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