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Thermochromic VO2 films by thermal oxidation of vanadium in SO2
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Inorganic Chemistry.
2016 (English)In: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 144, 713-716 p.Article in journal (Refereed) Published
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Abstract [en]

Thermochromic films of VO2 were prepared by a two-step procedure: Sputtering was first used to deposit metallic vanadium, and such layers were subsequently oxidized in SO2 at a temperature in the 600-650 degrees C range. X-ray diffraction, Raman spectroscopy, measurements of temperature-dependent electrical resistance, and spectrophotometric transmittance data at different temperatures were employed to demonstrate that the films consisted of polycrystalline VO2 with good thermochromism, especially when oxidized at the highest temperature. Oxidation in SO2 is able to produce VO2 without the stringent process control that can be an obstacle for making VO2 by oxidation in O-2.

Place, publisher, year, edition, pages
2016. Vol. 144, 713-716 p.
Keyword [en]
VO2, Thermochromism, Thin film, SO2
National Category
Materials Engineering Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-272047DOI: 10.1016/j.solmat.2015.10.012ISI: 000366223900091OAI: oai:DiVA.org:uu-272047DiVA: diva2:893848
Funder
EU, European Research Council, 267234
Available from: 2016-01-13 Created: 2016-01-11 Last updated: 2017-11-30Bibliographically approved

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Ji, Yu-XiaNiklasson, Gunnar A.Granqvist, Claes GöranBoman, Mats

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