Eur. Phys. J. Appl. Phys.
Volume 48, Number 1, October 2009
|Number of page(s)||5|
|Section||Surfaces, Interfaces and Films|
|Published online||04 July 2009|
Li+ ions diffusion into sol-gel V2O5 thin films: electrochromic properties
Laboratoire de Physique des Solides et des Couches Minces, Département de Physique, Faculté des Sciences Semlalia, BP. 2390, Marrakech, Maroc
2 Laboratoire Matériaux et Energies Renouvelables (LMER), Département de Physique, Faculté des Sciences, BP. 8106, Université Ibn Zohr, Agadir, Maroc
Corresponding author: firstname.lastname@example.org
Accepted: 28 April 2009
Published online: 4 July 2009
V2O5 thin films were prepared by the sol-gel spin coating process. The Li+ ions insertion effect on optical and electrochromic properties of those films was studied. The diffusion coefficient was calculated using both cyclic voltammograms and chronoamperometric curves. The amount x of Li+ ions in LixV2O5 was also calculated. Finally, the electrochromic performance evolution characteristics such as the reversibility, coloration efficiency, coloration memory stability and response time were studied.
PACS: 78.20.Jq – Electrooptical effects / 81.20.Fw – Sol-gel processing, precipitation / 82.56.Lz – Diffusion
© EDP Sciences, 2009
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