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Combustion CVD: Exploration of potential for optical thin film synthesis

Gutierrez, GB 2006, Combustion CVD: Exploration of potential for optical thin film synthesis , PhD thesis, Salford : University of Salford.

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    Abstract

    The aim of this PhD was to undertake a study of combustion chemical vapour deposition (combustion CVD or CCVD) for the optical thin film materials synthesis. The most common variables for thin film formation were investigated, e.g. precursor volatility/availability and the result was the development of an innovative process using low-impact velocity aerosol generation in combination with a premixed propane flame. To perform coating studies, new equipment was developed that was, in concept, compatible with the flat glass coating manufacturing process giving the process industrial compatibility. Deposition of silicon oxide; d and p-block metal oxides and noble metals were achieved during this work opening opportunities for new routes to thin film optical materials. Precursor delivery/availability was significantly extended, demonstrating the possibility of using cheap, commercially available inorganic salts dissolved in water (ammonium salts, nitrate salts,...). The mechanisms involved in the transport/decomposition/thin film formation are discussed in detail providing alternative explanations to the traditional CVD mechanism reported in the literature. The materials deposited were characterised using XPS, XRD, SEM and AFM and their properties highlighted the flexibility and the novelty of the new system.

    Item Type: Thesis (PhD)
    Contributors: Sheel, DW(Supervisor) and Pemble, ME (Supervisor)
    Additional Information:
    Schools: Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre
    Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering
    Depositing User: Institutional Repository
    Date Deposited: 03 Oct 2012 14:34
    Last Modified: 19 Feb 2014 13:07
    URI: http://usir.salford.ac.uk/id/eprint/26577

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