Issue 8, 1994

Determination of the potential limits for WO3 colouration

Abstract

The determination of the maximum permissible degree of colouration for an electrochromic film in a particular device is technically important for long-term reversible modulation and safe operation. Chronopotentiometry 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 with high amount of intercalated ions will lose its reversibility, lowering its electrochromic performance.

Article information

Article type
Paper

J. Mater. Chem., 1994,4, 1289-1291

Determination of the potential limits for WO3 colouration

P. Shen and A. C. C. Tseung, J. Mater. Chem., 1994, 4, 1289 DOI: 10.1039/JM9940401289

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