Structural and photoluminescence characteristics of the single-host green-light-emitting T-phase Ba1.3Ca0.7SiO4: Tb3+ phosphors for LEDs

被引：8

作者：

Golja, Desta ^{[1
]}

Dejene, Francis ^{[1
]}

机构：

[1] Univ Free State, Dept Phys, QwaQwa Campus,Private Bag X13, ZA-9866 Phuthaditsihaba, South Africa

来源：

CHEMICAL PHYSICS LETTERS | 2020年 / 741卷 / 741期

基金：

新加坡国家研究基金会;

关键词：

Green luminescence; Multipolar interaction; Crystal structure; Nanophosphors; ENERGY-TRANSFER; LUMINESCENCE PROPERTIES; OPTICAL-PROPERTIES; TEMPERATURE; TRANSITIONS; LI2SRSIO4; EU3+;

D O I：

10.1016/j.cplett.2020.137122

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this report, Ba1.3Ca0.7SiO4: Tb3+ phosphors were prepared by the low-temperature solution-combustion method. The structural properties of the Ba1.3Ca0.7SiO4: Tb3+ phosphors were examined by XRD and SEM. The phosphorescence spectra of low Tb3+ doped ceramics have revealed prominent blue and green emissions from D-5(3) and D-5(4) exciting levels to F-7(j) ground state respectively. The calculated CIE color coordinates confirmed that varying the content of Tb3+ makes the luminescence color of Ba1.3Ca0.7SiO4: Tb3+ to be tuned from blue to green region. The highest emission intensity at 231 nm excitation wavelengths signifies its potential applicability in the fields of lighting and displays.

引用

页数：9

共 15 条

[1] Photoluminescence properties of Ce3+ and Ce3+-Eu2+ energy transfer in Ba1.3Ca0.7SiO4 phosphors
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Li, Langkai
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JOURNAL OF LUMINESCENCE, 2013, 144 : 13 - 17
[2] Luminescence properties of Eu2+ in T-phase Ba1.3Ca0.7SiO4 lattice from multiple crystallographic sites at different temperatures
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Meng, Fangui
Zhang, Jiyao
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[3] Synthesis and luminescent characteristics of green-emitting (Sr1−xMx)2SiO4:Tb3+ (M = Ba, Ca) phosphors
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Lixi Wang
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Journal of Materials Science: Materials in Electronics, 2018, 29 : 7220 - 7226
[4] Effect of Eu3+ ion concentration on the structural and photoluminescence properties of Ba1.3Ca0.7SiO4 ceramic-based red phosphors for solid-state lighting applications
Golja, D. R.
Dejene, F. B.
JOURNAL OF ALLOYS AND COMPOUNDS, 2020, 827
[5] Photoluminescence characteristics of the single-host white-light-emitting Sr3-3x/2(VO4)2:xEu (0 ≤ x ≤ 0.3) phosphors for LEDs
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[6] Synthesis and luminescent characteristics of green-emitting (Sr1-x M x )2SiO4:Tb3+ (M = Ba, Ca) phosphors
Zhang, Bing
Wang, Lixi
Yang, Xiaojuan
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[7] Ba1.3Ca0.7SiO4:Eu2+,Mn2+: A Promising Single-Phase, Color-Tunable Phosphor for Near-Ultraviolet White-Light-Emitting Diodes
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Zhao, Qi
Shao, Baiqi
Lu, Wei
You, Hongpeng
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[8] Photoluminescence and electron-beam excitation induced cathodoluminescence properties of novel green-emitting Ba4La6O(SiO4)6:Tb3+ phosphors
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[9] Photoluminescence properties of single-component white-emitting Ca9Bi(PO4)7:Ce3+,Tb3+,Mn2+ phosphors for UV LEDs
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[10] White-light generation through Ce3+/Mn2+-codoped and Eu2+-doped Ba1.2Ca0.8SiO4 T-phase phosphors
Park, Kwangwon
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Kim, Seongsin M.
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