Electrochromic Film Based on a-WO3 Obtained by Sol-gel
Electronic Archive of Sumy State University
Переглянути архів Інформація| Поле | Співвідношення | |
| Title |
Electrochromic Film Based on a-WO3 Obtained by Sol-gel
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| Creator |
Trofimov, A.O.
Kolobkova, E.V. Sohovich, E.V. Zemko, V.S. |
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| Subject |
Electrochromic films
Mesoporous amorphous WO3 (a-WO3) The sol-gel process Raman scat-tering X-ray diffraction |
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| Description |
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.
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| Publisher |
Sumy State University
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| Date |
2014-05-29T07:47:10Z
2014-05-29T07:47:10Z 2013 |
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| Type |
Article
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| Identifier |
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
http://essuir.sumdu.edu.ua/handle/123456789/35386 |
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| Language |
en
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