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Optical properties of SnO2:F films deposited by atmospheric pressure CVD

Remes, Z, Vanecek, M, Yates, HM, Evans, P and Sheel, DW 2009, 'Optical properties of SnO2:F films deposited by atmospheric pressure CVD' , Thin Solid Films, 517 (23) , pp. 6287-6289.

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    SnO2 thin films, is compatible with industrial requirements such as high process speed, scaling to wide substrate widths and low costs. Precise method for measuring the optical absorptance in the spectral range 300–1700 nm combines transmittance, reflectance and photothermal deflection (PDS) spectra measured on the same spot of the sample immersed in the transparent liquid with a relatively high index of refraction. The effects of the film thickness, doping gas addition and the susceptor temperature on the optical absorptance and electrical resistivity of the TCO films are assessed. We show that the doping gas concentration and the susceptor temperature influence both the incorporation ratio of dopants into SnO2 film as well as the defect concentration. The SnO2 films growth at optimum APCVD conditions have thickness 0.7 μm, average surface roughness about 40 nm, sheet electrical resistance 10 Ω/sq and the optical absorption 1% at 500 nm and about 5% at 1000 nm.

    Item Type: Article
    Themes: Energy
    Schools: Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre
    Journal or Publication Title: Thin Solid Films
    Publisher: Elsevier
    Refereed: Yes
    ISSN: 0040-6090
    Depositing User: HM Yates
    Date Deposited: 21 Oct 2011 10:28
    Last Modified: 20 Aug 2013 18:15

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