Preparation and luminescent properties of KBaYSi2O7:RE3+ (RE = Dy, Eu) single-host phosphors for white LED

被引：18

作者：

Zhao, Wenyu ^{[1
]}

Wen, Huixia ^{[1
]}

Yang, Xiaodong ^{[1
]}

Qiao, Xiaojie ^{[1
]}

机构：

[1] Inner Mongolia Univ Sci & Technol, Sch Chem & Chem Engn, Baotou 014010, Peoples R China

来源：

MATERIALS LETTERS | 2020年 / 261卷

关键词：

Phosphor; w-LEDs; KBaYSi2O7:RE3+; Luminous properties; COLOR-TUNABLE LUMINESCENCE; EFFICIENT ENERGY-TRANSFER; PHOTOLUMINESCENCE PROPERTIES; EMISSION; TB3+;

D O I：

10.1016/j.matlet.2019.127104

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Novel KBaYSi2O7:RE3+ (RE = Dy, Eu, Dy/Eu) phosphors were synthesized through high-temperature solid state reaction. Dy3+ and Eu3+ had optimal doping concentrations of 0.05 and 0.10, respectively, and can emit white or red light under certain wavelength excitation. Under 394 nm excitation, the color of KBaY(0.)(95-)ySi(2)O(7):0.05Dy(3+), yEu(3+) phosphor turns from white to yellow and finally to orange region. KBaYSi2O7:RE3+ could be optional phosphors for near-ultraviolet chip-excited white light-emitting diodes. (C) 2019 Elsevier B.V. All rights reserved.

引用

页数：4

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