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    Thermal treatment and environment effect on transient photoconductivity behavior of anatase TiO2 with dominant {0 0 1} facets

    250103.pdf (153.1Kb)
    Access Status
    Open access
    Authors
    Pomoni, K.
    Georgakopoulos, T.
    Sofianos, Veronica
    Trapalis, C.
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Pomoni, K. and Georgakopoulos, T. and Sofianos, V. and Trapalis, C. 2013. Thermal treatment and environment effect on transient photoconductivity behavior of anatase TiO2 with dominant {0 0 1} facets. Journal of Alloys and Compounds. 558: pp. 1-5.
    Source Title
    Journal of Alloys and Compounds
    DOI
    10.1016/j.jallcom.2013.01.019
    ISSN
    0925-8388
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/50315
    Collection
    • Curtin Research Publications
    Abstract

    Nanosized anatase TiO2 powders with dominant {0 0 1} facets were prepared by solvothermal reaction of titanium isopropoxide in the presence of hydrofluoric acid as a capping agent. Two kinds of samples, as prepared and calcinated at 600 °C were fabricated and their UV-Visible and transient photoconductivity were investigated in vacuum and in air. The photoconductivity reaches high values and is sensitive on the environment. Thermal treatment improves the crystalline quality and enhances the amount of created excess charge carriers.

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