Structural characterization and photoluminescence in the rare earth-free oxy-fluoride anti-perovskites Sr3−xBi2x/3AlO4F and Sr3−xBi2x/3GaO4F

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dc.contributor.authorQuilty, CDen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorDriskell, JDen_AU
dc.contributor.authorSullivan, Een_AU
dc.date.accessioned2021-06-03T04:25:02Zen_AU
dc.date.available2021-06-03T04:25:02Zen_AU
dc.date.issued2017-03-01en_AU
dc.date.statistics2021-05-24en_AU
dc.description.abstractThe activator Bi3+ has been successfully incorporated into the anti-perovskite oxy-fluoride host lattice Sr3MO4F (M = Al, Ga) to form rare earth-free phosphors of the composition Sr3−xBi2x/3AlO4F, 0 ≤ x ≤ 0.1, and Sr3−xBi2x/3GaO4F, 0 ≤ x ≤ 0.048. These phases absorb in the UV region (λex = 240–326 nm) and exhibit broad emission in the blue region of the visible spectrum (λem = 446.5–455 nm). The optimum compositions for maximum photoluminescent intensity were determined to be Sr2.976Bi0.016AlO4F and Sr2.976Bi0.016GaO4F before concentration quenching occurs. Full structural characterization based upon PXRD and NPD data were performed with DFT calculations suggesting that Bi3+ ions are preferentially incorporated on the ten coordinate Sr(1) site. © The Royal Society of Chemistry 2017en_AU
dc.identifier.citationQuilty, C. D., Avdeev, M., Driskell, J. D., & Sullivan, E. (2017). Structural characterization and photoluminescence in the rare earth-free oxy-fluoride anti-perovskites Sr3−xBi2x/3AlO4F and Sr3−xBi2x/3GaO4F. Dalton Transactions, 46(12), 4055-4065. doi:10.1039/C7DT00310Ben_AU
dc.identifier.issn1477-9234en_AU
dc.identifier.issue12en_AU
dc.identifier.journaltitleDalton Transactionsen_AU
dc.identifier.pagination4055-4065en_AU
dc.identifier.urihttps://doi.org/10.1039/C7DT00310Ben_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10814en_AU
dc.identifier.volume46en_AU
dc.language.isoenen_AU
dc.publisherRoyal Society of Chemistryen_AU
dc.subjectPerovskitesen_AU
dc.subjectRare earthsen_AU
dc.subjectPhotoluminescenceen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectPhosphorsen_AU
dc.titleStructural characterization and photoluminescence in the rare earth-free oxy-fluoride anti-perovskites Sr3−xBi2x/3AlO4F and Sr3−xBi2x/3GaO4Fen_AU
dc.typeJournal Articleen_AU
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