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Visible Quantum Cutting in Tb3+-Doped BaGdB9O16 via Downconversion
Zhang, HJ; Wang, YH; Tao Y(陶冶); Tao, Y; Li, WH; Hu, DK; Feng, EX; Nie, XF
2010
发表期刊JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷号157期号:8页码:J293-J296
通讯作者[Zhang, Huijuan ; Wang, Yuhua ; Li, Weihua ; Hu, Duokai ; Feng, Erxi ; Nie, Xinfang] Lanzhou Univ, Sch Phys Sci & Technol, Dept Mat Sci, Lanzhou 730000, Peoples R China ; [Tao, Ye] Chinese Acad Sci, Inst High Energy Phys, Lab Beijing Synchrotron Radiat, Beijing 100049, Peoples R China
摘要The photoluminescence properties of BaGdB9O16:Tb3+ under vacuum UV and UV excitation were investigated, and visible quantum cutting through downconversion was observed in this phosphor. Upon Tb3+ 4f(8) -> 4f(7)5d(1) excitation, one UV photon absorbed by Tb3+ could be split into more than one visible photon emitted by Tb3+ through cross relaxation and direct energy transfer. To rationalize the quantum cutting effect, the proper mechanism was proposed. According to calculations, the maximal quantum efficiency was up to 161.3%. The quantum efficiency variation of BaGd1-xB9O16:Tb-x(3+) would depend on the concentration of Tb3+. Quantum efficiency would increase with the increased concentration of Tb3+ and could not be identified until the D-5(3) -> F-7(J) transitions of Tb3+ quenched completely. (C) 2010 The Electrochemical Society. [DOI: 10.1149/1.3454192] All rights reserved.
文章类型Article
学科领域Electrochemistry; Materials Science
研究领域[WOS]Electrochemistry ; Materials Science
DOI10.1149/1.3454192
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语种英语
WOS类目Electrochemistry ; Materials Science, Coatings & Films
WOS记录号WOS:000279673400072
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被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240229
专题多学科研究中心
粒子天体物理中心
作者单位中国科学院高能物理研究所
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Zhang, HJ,Wang, YH,Tao Y,et al. Visible Quantum Cutting in Tb3+-Doped BaGdB9O16 via Downconversion[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2010,157(8):J293-J296.
APA Zhang, HJ.,Wang, YH.,陶冶.,Tao, Y.,Li, WH.,...&Nie, XF.(2010).Visible Quantum Cutting in Tb3+-Doped BaGdB9O16 via Downconversion.JOURNAL OF THE ELECTROCHEMICAL SOCIETY,157(8),J293-J296.
MLA Zhang, HJ,et al."Visible Quantum Cutting in Tb3+-Doped BaGdB9O16 via Downconversion".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 157.8(2010):J293-J296.
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