Effect of W6+ dopant on the morphology and luminescence properties of NaLa(MoO4)2: Eu3+ phosphors

被引：21

作者：

Shi, Yurong ^{[1
]}

Liu, Bitao ^{[2
]}

Li, Chunyang ^{[1
]}

Luo, Wen ^{[1
]}

Wang, Zhenling ^{[1
]}

机构：

[1] Zhoukou Normal Univ, Key Lab Rare Earth Funct Mat & Applicat, Int Joint Res Lab Biomed Nanomat Henan, Henan Key Lab Rare Earth Funct Mat, Zhoukou 466001, Peoples R China

[2] Chongqing Univ Arts & Sci, Dept Res Ctr Mat Interdisciplinary Sci, Chongqing, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2018年 / 101卷

基金：

中国国家自然科学基金;

关键词：

Luminescence; Optical materials; Optical properties; LIGHT EMITTING DIODES; HYDROTHERMAL SYNTHESIS; THERMAL-STABILITY; RED PHOSPHORS; WHITE LEDS; TUNGSTATE; MO; MICROARCHITECTURES; PHOTOLUMINESCENCE; EMISSION;

D O I：

10.1016/j.materresbull.2018.01.048

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

W6+ dopant on the NaLa(MoO4)(2):Eu3+ solid solution phosphors with various shapes have been synthesized via the hydrothermal method without using any structural modifier and organic solvents. The morphology and luminescence properties of W6+ doped NaLa(MoO4)(2):Eu3+ phosphors are obtained and characterized by SEM and PL/PLE spectra. Both morphology and luminescence properties are considered to manipulate by the mole ratio of W/Mo. By increasing the W6+ amount, particle shapes are changed from rice-shaped particles to spindle shaped, cocoon-shaped, then to layers of octahedron-shaped. Under UV light excitation, all samples show bright red light due to the characteristic 4f-4f transitions of Eu3+. Tungstate and molybdate phosphors have higher luminescence intensity than that of tungstate and molybdate solid solution phosphors.

引用

页码：319 / 323

页数：5

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