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Investigation of the mechanism responsible for the photoluminescence enhancement with Li (+) co-doping in highly thermally stable white-emitting Sr8ZnSc(PO4)(7):Dy3+ phosphor
Gou, Jing1,2,3; Fan, Jingyan1,2,3; Luo, Meng1,2,3; Zuo, Shengnan1,2,3; Yu, Binxun1,2,3; Liu, Shengzhong Frank1,2,3,4; Jiao, Haiyan5
刊名JOURNAL OF LUMINESCENCE
2017-07-01
DOI10.1016/j.jlumin.2017.03.010
187页:160-168
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Optics
研究领域[WOS]Optics
关键词[WOS]OPTICAL STORAGE PROPERTIES ; LUMINESCENCE PROPERTIES ; DY3+-ACTIVATED SRB4O7 ; ENERGY-TRANSFER ; DIODES ; IONS ; LEDS ; NANOCRYSTALS ; EXCITATION ; INTENSITY
英文摘要The strategy of co-doping Li+ was used with the aim of enhancing the emission intensities of Sr(Z8)nSc (PO4)(7) under near ultraviolet excitation. The luminescence enhancement was related to the deep defects V-o(..) which were produced by the introduction of ion. Furthermore, much deep V-o(..) were produced with the incorporation amount Li+ ion increasing. As the sensitizer, the produced deep V-o(..) can effectively tunnelling transfer energy to the nearby activator Dy3+ resulting in the photoluminescence enhancement in SZSPO:1.5%Dy3+,5%Li+ In addition, its yellow/blue emitting ratio and photo luminescent quantum yields both were improved under longer wavelength excitation. Furthermore, the excellent thermal stability of optimal SZSPO:1.5%Dy3+,5%Li+ excelled over commercial phosphor DS-200 below 225 degrees C. The electroluminescence properties of fabricated ABPD-WLED reach the optimum with V=10 V and 1=800 mA (lambda(ex)=365 nm) or 700 mA (lambda(ex)=388 nm), then the bright white luminescence can be obviously observed. These photoluminescence, electroluminescence and thermal properties testified the potential application of Sr8ZnSc(PO4)(7):1.5%Dy3+,5%Li+ as a new-style warm-white emitting LEDs phosphor. (C) 2017 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000401128100023
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152279
专题中国科学院大连化学物理研究所
作者单位1.Shaanxi Normal Univ, Sch Chem & Chem Engn, Sch Mat Sci & Engn, Key Lab Appl Surface & Colloid Chem,Natl Minist E, Xian 710119, Peoples R China
2.Shaanxi Normal Univ, Sch Chem & Chem Engn, Shaanxi Key Lab Adv Energy Devices, Xian 710119, Peoples R China
3.Shaanxi Normal Univ, Sch Chem & Chem Engn, Sch Mat Sci & Engn, Shaanxi Engn Lab Adv Energy Technol, Xian 710119, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, iChEM, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
5.Northwest Univ Nationalities, Coll Elect Engn, Key Lab Elect Mat State Ethn Affairs Commiss PRC, Lanzhou 730030, Peoples R China
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Gou, Jing,Fan, Jingyan,Luo, Meng,et al. Investigation of the mechanism responsible for the photoluminescence enhancement with Li (+) co-doping in highly thermally stable white-emitting Sr8ZnSc(PO4)(7):Dy3+ phosphor[J]. JOURNAL OF LUMINESCENCE,2017,187:160-168.
APA Gou, Jing.,Fan, Jingyan.,Luo, Meng.,Zuo, Shengnan.,Yu, Binxun.,...&Jiao, Haiyan.(2017).Investigation of the mechanism responsible for the photoluminescence enhancement with Li (+) co-doping in highly thermally stable white-emitting Sr8ZnSc(PO4)(7):Dy3+ phosphor.JOURNAL OF LUMINESCENCE,187,160-168.
MLA Gou, Jing,et al."Investigation of the mechanism responsible for the photoluminescence enhancement with Li (+) co-doping in highly thermally stable white-emitting Sr8ZnSc(PO4)(7):Dy3+ phosphor".JOURNAL OF LUMINESCENCE 187(2017):160-168.
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