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Electrochromic properties of antimony tin oxide (ATO) thin films synthesized by pulsed laser deposition

Marcel, C and Hegde, MS and Rougier, A and Maugy, C and Guery, C and Tarascon, JM (2001) Electrochromic properties of antimony tin oxide (ATO) thin films synthesized by pulsed laser deposition. In: Electrochimica Acta, 46 (13-14). pp. 2097-2104.

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Abstract

We report on the unusual electrochromic properties of Antimony-based Tin Oxide (ATO) powders or thin films grown by pulsed laser deposition (PLD). The cathodic coloration, linked to the nanocrystalline nature of the powders made by hydroxides co-precipitation, was investigated in the 0-70 at.% Sb range, and the best performance was obtained for antimony contents ranging from 20 to 40%. PLD ATO thin films were grown from targets with 30 and 40% Sb. The electrochemical and optical properties tiers found to be extremely sensitive io their morphology. Porous or cracked films could be colored, while dense ones presented a capacitive-like behavior and a neutral switching characteristic over a wide range of potentials. A successful attempt was made to assemble a chemically symmetric working device using the cracked or porous ATO coatings as the primary electrode, and the densest ones as the counter-electrode. (C) 2001 Elsevier Science Ltd. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Electrochromism;Antimony-tin oxide;Pulsed laser deposition;Thin films;Protonic devices.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 02 Jun 2009 12:39
Last Modified: 01 Jul 2011 09:08
URI: http://eprints.iisc.ernet.in/id/eprint/16867

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