White LED with high color rendering index based on Ca8Mg(SiO4)4Cl2:Eu2+ and ZnCdTe/CdSe quantum dot hybrid phosphor

被引：21

作者：

Wang, Rongfang ^{[1
]}

Zhang, Jilin ^{[2
]}

Xu, Xianmei ^{[1
]}

Wang, Yilin ^{[1
]}

Zhou, Liya ^{[1
]}

Li, Bin ^{[1
]}

机构：

[1] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China

[2] Hunan Normal Univ, Coll Chem & Chem Engn, Changsha 410081, Hunan, Peoples R China

来源：

MATERIALS LETTERS | 2012年 / 84卷

基金：

中国国家自然科学基金;

关键词：

Nanocrystalline materials; Phosphors; Optical materials and properties; LIGHT-EMITTING-DIODES; NANOCRYSTALS; CDSE; CDTE;

D O I：

10.1016/j.matlet.2012.06.043

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

ZnCdTe/CdSe quantum dots (QDs) for white light-emitting diodes (LEDs) were prepared by aqueous synthesis, and their luminescence properties were investigated. The white LED consisted of ZnCdTe/CdSe QDs as the phosphor with a blue InGaN chip as the excitation source and showed a color rendering index (CRI) of 51.1 with Commission Internationale de l'Eclairage (CIE) coordinates of x=0.35 and y=0.32. White LED with a high CRI was obtained with the addition of Ca8Mg(SiO4)(4)Cl-2:Eu2+ phosphor, and the CRI of the hybrid phosphor white LED with CIE coordinates of x=0.27 and y=0.32 was improved to 88.2. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：24 / 26

页数：3

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