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Issue 42, 2005
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APCVD of thermochromic vanadium dioxide thin films—solid solutions V2−xMxO2 (M = Mo, Nb) or composites VO2 : SnO2

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Abstract

Atmospheric pressure chemical vapour deposition of V2−xMxO2 (M = Mo, Nb; X = 0.01–0.003) thin films was achieved on glass substrates from the reaction of VOCl3, H2O and MCl5. Comparable reactions with SnCl4 formed SnO2 : VO2 composites. The ease with which solid solutions or composite films formed was related to the relative reaction rates. The films were characterised by X-ray diffraction, Raman, X-ray photoelectron spectroscopy and scanning electron microscopy. Doping of the VO2 phase was shown to affect both the growth morphology and the thermochromic properties of the films. The Mo-doped VO2 films showed a thermochromic switch of 47 °C with a narrow hysteresis (4–6 °C).

Graphical abstract: APCVD of thermochromic vanadium dioxide thin films—solid solutions V2−xMxO2 (M = Mo, Nb) or composites VO2 : SnO2

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Publication details

The article was received on 25 Jul 2005, accepted on 23 Aug 2005 and first published on 26 Sep 2005


Article type: Paper
DOI: 10.1039/B510552H
Citation: J. Mater. Chem., 2005,15, 4560-4566
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    APCVD of thermochromic vanadium dioxide thin films—solid solutions V2−xMxO2 (M = Mo, Nb) or composites VO2 : SnO2

    T. D. Manning, I. P. Parkin, C. Blackman and U. Qureshi, J. Mater. Chem., 2005, 15, 4560
    DOI: 10.1039/B510552H

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