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Publication Detail
Hybrid chemical vapour and nanoceramic aerosol assisted deposition for multifunctional nanocomposite thin films
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Warwick MEA, Dunnill CW, Goodall J, Darr JA, Binions R
  • Publisher:
    ELSEVIER SCIENCE SA
  • Publication date:
    01/07/2011
  • Pagination:
    5942, 5948
  • Journal:
    THIN SOLID FILMS
  • Volume:
    519
  • Issue:
    18
  • Print ISSN:
    0040-6090
  • Language:
    EN
  • Keywords:
    Composites, Titanium dioxide, Cerium oxide, Vanadium dioxide, Thermochromism, Photocatalysis, Chemical Vapour Deposition, DOPED VANADIUM DIOXIDE, METAL NANOPARTICLES, ELECTROCHROMIC DEVICES, HYDROTHERMAL SYNTHESIS, OXIDE, COATINGS, ANATASE, ENERGY, GOLD, ACETYLACETONATE
  • Addresses:
    Binions, R
    UCL
    Dept Chem
    Christopher Ingold Labs
    London
    WC1H 0AJ
    England
Abstract
Hybrid atmospheric pressure chemical vapour and aerosol assisted deposition via the reaction of vanadium acetylacetonate and a suspension of preformed titanium dioxide or cerium dioxide nanoparticles, led to the production of vanadium dioxide nanocomposite thin films on glass substrates. The preformed nanoparticle oxides used for the aerosol were synthesised using a continuous hydrothermal flow synthesis route involving the rapid reaction of a metal salt solution with a flow of supercritical water in a flow reactor. Multifunctional nanocomposite thin films from the hybrid deposition process were characterised using scanning electron microscopy, X-ray diffraction and X-ray photoelectron spectroscopy. The functional properties of the films were evaluated using variable temperature optical measurements to assess thermochromic behaviour and methylene blue photodecolourisation experiments to assess photocatalytic activity. The tests show that the films are multifunctional in that they are thermochromic (having a large change in infra-red reflectivity upon exceeding the thermochromic transition temperature) and have significant photocatalytic activity under irradiation with 254 nm light. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.
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