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

Marcel, C. ; Hegde, M. S. ; Rougier, A. ; Maugy, C. ; Guery, C. ; Tarascon, J. -M. (2001) Electrochromic properties of antimony tin oxide (ATO) thin films synthesized by pulsed laser deposition Electrochimica Acta, 46 (13-14). pp. 2097-2104. ISSN 0013-4686

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00134...

Related URL: http://dx.doi.org/10.1016/S0013-4686(01)00378-4

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 were found to be extremely sensitive to 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.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Electrochromism; Antimony-tin Oxide; Pulsed Laser Deposition; Thin Films; Protonic Devices
ID Code:16212
Deposited On:15 Nov 2010 14:01
Last Modified:03 Jun 2011 08:17

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