Room-temperature single-photon emitters in titanium dioxide optical defects

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    Author
    Chung, K; Leung, YH; To, CH; Djurisic, AB; Tomljenovic-Hanic, S
    Date
    2018-04-04
    Source Title
    Beilstein Journal of Nanotechnology
    Publisher
    BEILSTEIN-INSTITUT
    University of Melbourne Author/s
    Tomljenovic-Hanic, Snjezana
    Affiliation
    School of Physics
    Metadata
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    Document Type
    Journal Article
    Citations
    Chung, K., Leung, Y. H., To, C. H., Djurisic, A. B. & Tomljenovic-Hanic, S. (2018). Room-temperature single-photon emitters in titanium dioxide optical defects. BEILSTEIN JOURNAL OF NANOTECHNOLOGY, 9 (1), pp.1085-1093. https://doi.org/10.3762/bjnano.9.100.
    Access Status
    Open Access
    URI
    http://hdl.handle.net/11343/253527
    DOI
    10.3762/bjnano.9.100
    ARC Grant code
    ARC/DP1096288
    Abstract
    Fluorescence properties of crystallographic point defects within different morphologies of titanium dioxide were investigated. For the first time, room-temperature single-photon emission in titanium dioxide optical defects was discovered in thin films and commercial nanoparticles. Three-level defects were identified because the g(2) correlation data featured prominent shoulders around the antibunching dip. Stable and blinking photodynamics were observed for the single-photon emitters. These results reveal a new room-temperature single-photon source within a wide bandgap semiconductor.

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