Single-phased white-light-emitting NaCaBO3: Ce3+, Tb3+, Mn2+ phosphors for LED applications

被引：166
|
作者：
Zhang, Xinguo [1 ,2 ]
Gong, Menglian [2 ]
机构：
[1] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China
[2] Sun Yat Sen Univ, Sch Chem & Chem Engn, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China
来源：
DALTON TRANSACTIONS | 2014年 / 43卷 / 06期
关键词：
ENERGY-TRANSFER;
D O I：
10.1039/c3dt52328d
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A series of NaCaBO3: Ce3+, Tb3+, Mn2+ borate phosphors were prepared via a high-temperature solid-state reaction. The obtained phosphors exhibit a strong excitation band between 250 and 400 nm, matching well with the dominant emission band of a NUV light-emitting-diode (LED) chip. The phosphors can generate light from blue to green, and from blue to red by Ce3+. Tb3(+) and Ce3+. Mn2+, respectively. Furthermore, a wide-range-tunable white light emission was obtained by precisely controlling the contents of Ce3+, Mn2(+,) Tb3+. The results show that this phosphor has potential applications as a singlephased phosphor for NUV white LEDs.
引用
收藏
页码：2465 / 2472
页数：8
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