期刊
JOURNAL OF LUMINESCENCE
卷 128, 期 12, 页码 2027-2030出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jlumin.2008.07.007
关键词
YBO3:Bi3+; Selective excitation; Energy transfer; Vacuum ultraviolet
类别
资金
- Special Foundation of Hefei University of Technology [101-036402]
(Y0.99Bi0.01)BO3 phosphor was prepared and its luminescent properties were investigated using the synchrotron radiation instrument in this paper. Site-selective luminescence of Bi3+ in the YBO3 host was demonstrated by exciting/monitoring with different wavelengths at low temperature in this research. At the same time, the energy transfer between the centers of Bi3+ ions occupying different symmetric sites was observed. The excited energy levels of Bi3+ were identified through assigning the emission and excitation spectra. The paths and mechanism of energy transfer between the centers of Bi3+ occupying different symmetric sites were discussed finally. (C) 2008 Elsevier B.V. All rights reserved.
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