Journal
CHEMISTRY LETTERS
Volume 41, Issue 1, Pages 15-17Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.2012.15
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Funding
- Pukyong National University Research Fund [PK-2011-29]
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The photoluminescence excitation and emission spectra of Sr9Ga(PO4)(7) were investigated. This phosphor can be efficiently excited by VUV-UV light and X-ray irradiation and presents bright blue luminescence. The excitation and emission spectra of Sr9Ga(PO4)(7) were compared with those of ZnGa2O4 and Eu2+-doped (10 mol %) BaMgAl10O17. Under the same conditions, the light yield of X-ray excited luminescence of Sr9Ga(PO4)(7) is about 57% as large as that of scintillation crystal Bi4Ge3O12. The luminescence is suggested to be from the self-activation center of the octahedral Ga-O groups in the Sr9Ga(PO4)(7) lattices.
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