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The luminescence of CaYBO4 : RE3+ (RE=Eu, Gd, Tb, Ce) in VUV-visible region
Yang, HC; Li, CY; Tao Y(陶冶); Xu JH(徐建华); Tao, Y; Xu, JH; Zhang, GB; Su, Q
Corresponding AuthorLi, CY (reprint author), Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Rare Earth Chem & Phys, Changchun 130022, Peoples R China.
AbstractPhosphors CaYBO4:RE3+ (RE = Eu, Gd, Tb, Ce) were synthesized with the method of solid-state reaction at high temperature, and their vacuum ultraviolet (VUV)-visible luminescent properties in VUV-visible region were studied at 20 K. In CaYBO4, it is confirmed that there are two types of lattice sites that can be substituted by rare-earth ions. The host excitation and emission peaks of undoped CaYBO4 are very weak, which locate at about 175 and 350-360nm, respectively. The existence of Gd3+ can efficiently enhance the utilization of host absorption energy and result in a strong emission line at 314 nm. In CaYBO4, Eu3+ has typical red emission with the strongest peak at 610 nm; Tb3+ shows characteristic green emission, of which the maximum emission peak is located at 542 nm. The charge transfer band of CaYBO4:Eu3+ was observed at 228 nm; the co-doping of Gd3+ and Eu3+ can obviously sensitize the red emission of Eu3+. The fluorescent spectra of CaYBO4:Ce3+ is very weak due to photoionization; the co-addition of Ce3+-Tb3+ can obviously quench the luminescence of Tb3+. (C) 2006 Elsevier B.V. All rights reserved.
Keywordrare-earth ions VLTV luminescence CaYBO4 20K
Subject AreaOptics
Indexed BySCI ; ADS
WOS SubjectOptics
WOS IDWOS:000246640200031
ADS Bibcode2007JLum..126..196Y
ADS URLhttps://ui.adsabs.harvard.edu/abs/2007JLum..126..196Y
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2007JLum..126..196Y/citations
Citation statistics
Cited Times:11 [ADS]
Document Type期刊论文
Recommended Citation
GB/T 7714
Yang, HC,Li, CY,Tao Y,et al. The luminescence of CaYBO4 : RE3+ (RE=Eu, Gd, Tb, Ce) in VUV-visible region[J]. JOURNAL OF LUMINESCENCE,2007,126(1):#REF!.
APA Yang, HC.,Li, CY.,陶冶.,徐建华.,Tao, Y.,...&Su, Q.(2007).The luminescence of CaYBO4 : RE3+ (RE=Eu, Gd, Tb, Ce) in VUV-visible region.JOURNAL OF LUMINESCENCE,126(1),#REF!.
MLA Yang, HC,et al."The luminescence of CaYBO4 : RE3+ (RE=Eu, Gd, Tb, Ce) in VUV-visible region".JOURNAL OF LUMINESCENCE 126.1(2007):#REF!.
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