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Title Electrochromic Film Based on a-WO3 Obtained by Sol-gel
Authors Trofimov, A.O.
Kolobkova, E.V.
Sohovich, E.V.
Zemko, V.S.
ORCID
Keywords Electrochromic films
Mesoporous amorphous WO3 (a-WO3)
The sol-gel process
Raman scat-tering
X-ray diffraction
Type Conference Papers
Date of Issue 2013
URI http://essuir.sumdu.edu.ua/handle/123456789/35386
Publisher Sumy State University
License
Citation Electrochromic Film Based on a-WO3 Obtained by Sol-gel [Текст] / A.O. Trofimov, E.V. Kolobkova, E.V. Sohovich, V.S. Zemko // Nanomaterials: Applications & Properties (NAP-2013) : 2-nd International conference, Alushta, the Crimea, September 17-22, 2012 / Edited by: A. Pogrebnjak. - Sumy : Sumy State University, 2013. - V.2, No4. - 04NAESP11
Abstract The influence of changes in the conditions of sol-gel method on the thermal characteristics and the structure electrochromic (EC) а-WO3 films. DSC data showed greater sensitivity of the structure to the pe-culiarities of the drying of the product poliperoxo-tungstic acid. The Films were transparent over a wide range (Eg  2,5 eV). All compositions were amorphous as measured by X-rays diffraction. Based on the IR and Raman spectroscopy dates was concluded the presence in the structure of amorphous transparent glassy semiconductor a-WO3 predominantly tetrahedral [WO4] groups. The precursor product and EC-films are glass material, obtained by the sol-gel process, with the composition WO3*  H2O. Synthesis peculiari-ties of mesoporous a-WO3. affects both the pore structure, which determines the concentration of the aqueous components and the ratio of the bridging W-O-W and unbridged W  O bonds, defining characte-ristics of the electrochromic materials. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35386
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