Electrochromism of Er-Diphthalocyanine Complex Films in All Solid Display Cells
- 1 April 1984
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 23 (4A) , L221
- https://doi.org/10.1143/jjap.23.l221
Abstract
Electrochromism of Er-diphthalocyanine complex (ErH(Pc)2) film was investigated with (Glass/ITO/ErH(Pc)2+LiF/LiF+CaCl2/Ag) solid cells. The fast change of color from green to purple-red was observed when positive voltages of about 2 V were applied to the ITO electrode, while negative voltages of about -2 V resulted in the change of color to blue-black. The former oxidation process was preceded by the migration of chlorine anions of CaCl2 in the dielectric layer. However, the mechanism of the latter reduction process remains vague.Keywords
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