The role of calcination temperature on structural and luminescence behaviour of novel apatite-based Ca2Y 8(SiO4)6O2: Ce3+,Tb3+ phosphors

被引：10

作者：

Perhaita, I. ^{[1
]}

Muresan, L. E. ^{[1
]}

Silipas, D. T. ^{[2
]}

Borodi, G. ^{[2
]}

Karabulut, Y. ^{[3
]}

Guinea, J. Garcia ^{[4
]}

Ayvacikli, M. ^{[3
]}

Can, N. ^{[3
,5
]}

机构：

[1] Babes Bolyai Univ, Raluca Ripan Inst Res Chem, Fantanele 30, Cluj Napoca 400294, Romania

[2] Natl Inst Res & Dev Isotop & Mol Technol, 65-103 Donath, Cluj Napoca 400293, Romania

[3] Manisa Celal Bayar Univ, Fac Arts & Sci, Dept Phys, Muradiye Muradiye Manisa, Turkey

[4] Museo Nacl Ciencias Nat, Jose Gutierrez Abascal 2, Madrid 28006, Spain

[5] Jazan Univ, Phys Dept, POB 114, Jazan 45142, Saudi Arabia

来源：

APPLIED RADIATION AND ISOTOPES | 2017年 / 130卷

关键词：

Ca2Y (8)(SiO4)(6)O-2; Ce3+; Tb3+; Luminescence; Solid state reaction; LIGHT-EMITTING-DIODES; ENERGY-TRANSFER; PHOTOLUMINESCENCE PROPERTIES; CALCIUM NITRATE; SITE OCCUPATION; CE3+; EMISSION; LEDS; SPECTROSCOPY; PROPERTY;

D O I：

10.1016/j.apradiso.2017.09.037

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of novel apatite-based Ca2Y8(SiO4)(6)O-2 phosphors doped with Ce3+ and Tb3+ were synthesized by a solid-state reaction method at different calcination temperatures and times. The comparative results of thermal analysis (TG-DTA), FTIR, X-ray diffraction (XRD) and environmental scanning electron microscope (ESEM) reveal that the firing temperature for Ca2Y (8)(SiO4)(6)O-2:Ce3+, Tb3+ was optimized to be 1200 degrees C. The systematic studies on the influences of thermal treatment conditions on photoluminescence (PL) and cathodoluminescence (CL) properties were also reported. The excitation spectra of Ca2Y8(SiO4)(6)O-2:Ce3+, Tb3+ exhibited one strong excitation band at 325 run. The PL and CL results indicated that the violet-blue emission intensities about 400 nm from the Ce3+ and efficient green emission at 544 nm from Tb3+ were highly dependent on the calcination conditions.

引用

页码：188 / 197

页数：10

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