DETERMINATION OF THE POTENTIAL LIMITS FOR WO3 COLORATION

Authors
SHEN P TSEUNG ACC
Citation
P. Shen et Acc. Tseung, DETERMINATION OF THE POTENTIAL LIMITS FOR WO3 COLORATION, Journal of materials chemistry, 4(8), 1994, pp. 1289-1291
Citations number
10
Categorie Soggetti
Chemistry Physical","Material Science
Journal title
Journal of materials chemistry → ACNP
ISSN journal
09599428
Volume
4
Issue
8
Year of publication
1994
Pages
1289 - 1291
Database
ISI
SICI code
0959-9428(1994)4:8<1289:DOTPLF>2.0.ZU;2-N
Abstract
The determination of the maximum permissible degree of colouration for an electrochromic film in a particular device is technically importan t for long-term reversible modulation and safe operation. Chronopatent iometry combined with cyclic voltammetry have been used to examine the degree of colouration for WO3 films on various conducting substrates and electrolytes. The results revealed that an overreduced WO3 film wi th high amount of intercalated ions will lose its reversibility, lower ing its electrochromic performance.