Room-temperature single-photon emitters in titanium dioxide optical defects
AuthorChung, K; Leung, YH; To, CH; Djurisic, AB; Tomljenovic-Hanic, S
Source TitleBeilstein Journal of Nanotechnology
University of Melbourne Author/sTomljenovic-Hanic, Snjezana
AffiliationSchool of Physics
Document TypeJournal Article
CitationsChung, 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 StatusOpen Access
ARC Grant codeARC/DP1096288
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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