Effects of Tb3+ doping on luminescence properties of NaMg4(PO4)3:Eu2+

被引：10

作者：

Li Lin ^{[1
]}

Tang Wanjun ^{[1
]}

机构：

[1] South Cent Univ Nationalities, Coll Chem & Mat Sci, Hubei Key Lab Catalysis & Mat Sci, Wuhan 430074, Hubei, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2018年 / 198卷

基金：

中央高校基本科研业务费专项资金资助;

关键词：

Phosphors; Luminescence; Energy transfer; Chromaticity coordinate; ENERGY-TRANSFER; WHITE-LIGHT; THERMAL-STABILITY; RED-SHIFT; EMISSION; PHOSPHORS; CE3+; EU2+; PHOTOLUMINESCENCE; EU3+;

D O I：

10.1016/j.jlumin.2018.03.001

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Eu2+ and Tb3+ co-doped NaMg4(PO4)(3) phosphors have been synthesized via a combustion-assisted synthesis method. A detailed study of the role of Tb3+ concentration on the luminescence properties of Eu2+ in NaMg4(PO4)(3): Eu2+, Tb3+ has been carried out. NaMg4(PO4)(3): Eu2+, Tb3+ phosphors exhibited a broad excitation band ranging from 220 to 400 nm and two broad emission bands that peaked at 424 and 546 nm, which were ascribed to the allowed 4f(6)5d(1)-> 4f(7) transition of Eu2+ ions and the D-5(4)-> F-7(5) transition of Tb3+ ions, respectively. Initially, the emission intensity of Eu2+ decreases with increasing Tb3+ concentrations, which is related to the energy transfer (ET) from Eu2+ to Tb3+. Then, the Tb3+-doping enhances the emission intensity of Eu2+ obviously. This can be ascribed to the possible oxidation-reduction process between Eu3+ and Tb3+ to give Eu2+ and Tb4+, as confirmed by X-ray photoelectron spectroscopy and luminescence studies. The combined effects of ETEu-Tb and oxidation-reduction process between Eu3+ and Tb3+ on luminescence and emission color of NaMg4(PO4)(3): Eu2+, Tb3+ phosphors are systematically investigated.

引用

页码：405 / 409

页数：5

共 25 条

[1]

Amara M. Ben, 1983, ACTA CRYSTALLOGR C, V39, P936, DOI DOI 10.1107/S0108270183006915

[2] A white light emitting phosphor Sr1.5Ca0.5SiO4:Eu3+, Tb3+, Eu2+ for LED-based near-UV chip: Preparation, characterization and luminescent mechanism [J].

Chen, Xi ;

Zhao, Junfeng ;

Yu, Liping ;

Rong, Chunying ;

Li, Chengzhi ;

Lian, Shixun .

JOURNAL OF LUMINESCENCE, 2011, 131 (12) :2697-2702

[3] The Energy Transfer and Thermal Stability of a Blue-Green Color Tunable K2CaP2O7:Ce3+,Tb3+ Phosphor [J].

Ding, Yi ;

Wang, Luxiang ;

Xu, Mengjiao ;

Jia, Dianzeng ;

Zhou, Rui .

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2017, 100 (01) :185-192

[4] Electron transfer between Eu3+ and Tb3+ in BaB4O7 matrix [J].

Gao, Y ;

Sil, CS .

JOURNAL OF SOLID STATE CHEMISTRY, 1996, 122 (02) :436-438

[5] (Ca,Mg,Sr)9Y(PO4)7:Eu2+,Mn2+: Phosphors for white-light near-UV LEDs through crystal field tuning and energy transfer [J].

Huang, Chien-Hao ;

Wu, Pin-Jiun ;

Lee, Jyh-Fu ;

Chen, Teng-Ming .

JOURNAL OF MATERIALS CHEMISTRY, 2011, 21 (28) :10489-10495

[6] Electrical properties and conduction mechanism of the NaMg4(PO4)3 compound [J].

Karray, M. ;

Louati, B. ;

Guidara, K. ;

Gargouri, M. .

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 2016, 122 (07)

[7] Synthesis of blue-emitting (K1-xNax)Mg-4(PO4)(3):Eu2+ phosphors [J].

Kim, Sun Woog ;

Hasegawa, Takuya ;

Ishigaki, Tadashi ;

Uematsu, Kazuyoshi ;

Sato, Mineo ;

Toda, Kenji .

JOURNAL OF INFORMATION DISPLAY, 2014, 15 (02) :53-57

[8] Novel blue-emitting phosphor NaMg4(PO4)3:Eu2+, Ce3+ with energy transfer [J].

Lan Lijun ;

Feng Hongmei ;

Tang Yan ;

Tang Wanjun .

OPTICAL MATERIALS, 2011, 34 (01) :175-178

[9] Spectroscopic parameters of Ce3+ ion doped Na2CaMg(PO4)2 phosphor [J].

Lue, Juan ;

Huang, Yanlin ;

Tao, Ye ;

Seo, Hyo Jin .

JOURNAL OF ALLOYS AND COMPOUNDS, 2010, 500 (01) :134-137

[10] Luminescence of nano- and macrosized LaPO4:Ce,Tb excited by synchrotron radiation [J].

Pankratov, V. ;

Popov, A. I. ;

Kotlov, A. ;

Feldmann, C. .

OPTICAL MATERIALS, 2011, 33 (07) :1102-1105

← 1 2 3 →