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Templated growth of smart coatings: Hybrid chemical vapour deposition of vanadyl acetylacetonate with tetraoctyl ammonium bromide

Saeli, M; Binions, R; Piccirillo, C; Parkin, IP; (2009) Templated growth of smart coatings: Hybrid chemical vapour deposition of vanadyl acetylacetonate with tetraoctyl ammonium bromide. APPL SURF SCI , 255 (16) 7291 - 7295. 10.1016/j.apsusc.2009.03.083.

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Abstract

Hybrid aerosol assisted and atmospheric pressure chemical vapour deposition methodology has been utilised to produce thin films of vanadium dioxide from vanadyl acetylacetonate. Tetraoctyl ammonium bromide (TOAB) was used in the aerosol precursor solution. The films were analysed by X-ray diffraction, scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy. Their optical and thermochromic behaviour was also determined. It was found that the use of TOAB had a templating effect that led to a halving in the particle size and that this consequently led to a significant decrease in the thermochromic transition temperature of the films to 34 degrees 8C. Crown Copyright (C) 2009 Published by Elsevier B. V. All rights reserved.

Type:Article
Title:Templated growth of smart coatings: Hybrid chemical vapour deposition of vanadyl acetylacetonate with tetraoctyl ammonium bromide
DOI:10.1016/j.apsusc.2009.03.083
Keywords:CVD, Vanadium dioxide, Thermochromism, Aerosol, NANOCOMPOSITE THIN-FILMS, VO2 FILMS, TUNGSTEN, DIOXIDE, GOLD
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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