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Intelligent window coatings: atmospheric pressure chemical vapour deposition of vanadium oxides

Manning, TD; Parkin, IP; Clark, RJH; Sheel, D; Pemble, ME; Vernadou, D; (2002) Intelligent window coatings: atmospheric pressure chemical vapour deposition of vanadium oxides. J MATER CHEM , 12 (10) 2936 - 2939. 10.1039/b205427m.

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Abstract

Thin films of the vanadium oxides, V2O5, VO2, VOx(x = 2.00-2.50) and V6O13 were prepared on glass substrates by atmospheric pressure chemical vapour deposition (APCVD) of vanadium tetrachloride and water at 400-550degreesC. The specific phase deposited was found to be dependent on the substrate temperature and the reagent concentrations. The films were characterised by Raman microscopy, X-ray diffraction (XRD), Rutherford backscattering (RBS), scanning electron microscopy (SEM), energy dispersive analysis by X-rays (EDX), reflectance/transmittance and UV absorption spectroscopy. The VO2 films show by Raman microscopy and reflectance/transmittance spectroscopy, reversible switching behaviour at 68degreesC associated with a phase change from monoclinic (MoO2 structure) to tetragonal (TiO2, rutile structure).

Type: Article
Title: Intelligent window coatings: atmospheric pressure chemical vapour deposition of vanadium oxides
DOI: 10.1039/b205427m
Keywords: VO2 THIN-FILMS, RAMAN-SCATTERING, TRANSITION, OXIDATION, V6O13, GLASS
UCL classification: UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry
URI: http://discovery.ucl.ac.uk/id/eprint/130011
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