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Vacuum ultraviolet excited luminescence properties of Ca3Gd7(SiO4)(5)(PO4)O-2:Re3+ (Re3+ = Tb3+, Dy3+) phosphors
Zhang, F; Wang, YH; Huang Y(黄艳); Tao Y(陶冶); Huang, Y; Tao, Y
2013
Source PublicationJOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
ISSN0022-3697
EISSN1879-2553
Volume74Issue:10Pages:1499-1503
AbstractA series of Ca3Gd7(SiO4)(5)(PO4)O-2:Re3+ (Re3+ = Tb3+, Dy3+) phosphors were synthesized by a solid-state reaction, and their vacuum ultraviolet excitation and emission characteristics were measured. All the excitation spectra show a broad band in the region of 140-210 nm, which can be mainly assigned to the host absorption. For Tb3+-doped sample, the absorption bands at 230 nm and 281 nm are respectively ascribed to the f-d spin-allowed and spin-forbidden transitions of Tb3+. In Dy3+-doped sample, the f-d spin-allowed transitions of Dy3+ and O2--> Dy3+ charge transfer band have not been clearly distinguished probably because of the overlapping with the strong host absorption band. The weak bands at 267 and 288 nm are attributed to be the f-d spin-forbidden transitions of Dy3+. The concentration dependence of the emission intensity upon the excitation at 172 nm indicates that the optimal doping concentrations of Tb3+ and Dy3+ are 11 mol% and 5 mol%, respectively. The optimal Tb3+ and Dy3+-activated samples respectively exhibit yellowish green and white emitting colors due to their characteristic emissions. (c) 2013 Elsevier Ltd. All rights reserved.
KeywordOptical materials Luminescence Optical properties
Subject AreaChemistry; Physics
DOI10.1016/j.jpcs.2013.05.017
Indexed BySCI ; ADS
Language英语
WOS IDWOS:000322351400027
ADS Bibcode2013JPCS...74.1499Z
ADS URLhttps://ui.adsabs.harvard.edu/abs/2013JPCS...74.1499Z
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2013JPCS...74.1499Z/citations
Citation statistics
Cited Times:0 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/224143
Collection多学科研究中心
Recommended Citation
GB/T 7714
Zhang, F,Wang, YH,Huang Y,et al. Vacuum ultraviolet excited luminescence properties of Ca3Gd7(SiO4)(5)(PO4)O-2:Re3+ (Re3+ = Tb3+, Dy3+) phosphors[J]. JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS,2013,74(10):1499-1503.
APA Zhang, F,Wang, YH,黄艳,陶冶,Huang, Y,&Tao, Y.(2013).Vacuum ultraviolet excited luminescence properties of Ca3Gd7(SiO4)(5)(PO4)O-2:Re3+ (Re3+ = Tb3+, Dy3+) phosphors.JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS,74(10),1499-1503.
MLA Zhang, F,et al."Vacuum ultraviolet excited luminescence properties of Ca3Gd7(SiO4)(5)(PO4)O-2:Re3+ (Re3+ = Tb3+, Dy3+) phosphors".JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS 74.10(2013):1499-1503.
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