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Active and Passive Electronic Components
Volume 22, Issue 2, Pages 133-146

Synthesis of Hybrid Electrochromic Material Based on Tungsten Oxide

1lnstitut de Chimie de la Matière Condensée, Université de Bordeaux I, Avenue du Dr. Schweitzer, Pessac, 33608 , France
2National Renewable Energy Laboratory, 1617 Cole Blvd., Golden 80401, CO, USA

Received 16 March 1999; Accepted 9 May 1999

Copyright © 1999 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper reports first on general considerations on electrochromic materials in order to present, afterwards, electrochromic films having a hybrid PAA (polyacrylic acid)-WO3 structure. The films are prepared by successive coatings of polyacrylic acid-ethanol solution and tungsten oxide NH4OH-water one.