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    Synthesis of nitrogen doped faceted titanium dioxide in pure brookite phase with enhanced visible light photoactivity

    Access Status
    Fulltext not available
    Authors
    Pan, J.
    Jiang, San Ping
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Pan, J. and Jiang, S.P. 2016. Synthesis of nitrogen doped faceted titanium dioxide in pure brookite phase with enhanced visible light photoactivity. Journal of Colloid and Interface Science. 469: pp. 25-30.
    Source Title
    Journal of Colloid and Interface Science
    DOI
    10.1016/j.jcis.2016.02.013
    ISSN
    0021-9797
    School
    Fuels and Energy Technology Institute
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/DP150102025
    http://purl.org/au-research/grants/arc/DP150102044
    URI
    http://hdl.handle.net/20.500.11937/15215
    Collection
    • Curtin Research Publications
    Abstract

    Brookite titanium dioxide (TiO2) is rarely studied, as compared with anatase and rutile phases TiO2, due to its comparatively lower photoactivity. It has been recently reported that brookite TiO2 with active facets exhibits excellent performance, however, synthesis of such faceted brookite TiO2 is difficult because of its low thermodynamic phase stability and low structural symmetric. Furthermore, like faceted anatase and rutile TiO2, faceted brookite TiO2 is not responsive to visible light due to its wide bandgap. In this study, a novel dopant, hydrazine, was introduced in the development of nitrogen doping. By applying this dopant, nitrogen doped brookite nanorods with active (120), (111) and (011) facets were successfully synthesized. The resultant materials exhibited remarkably enhanced visible-light photoactivity in photodegradation.

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