Simple synthesis, adjusting luminescence colour and white light emission of Ln3+:CeF3 (Ln = Tm, Tb, Eu) phosphors

被引：0
作者：
Yang Li
Yuanxue Cai
Chengguo Ming
Huixuan Chen
Jinyuan Zhang
Aihua Zhou
Feng Song
Fengying Yuan
Yueting Qin
Guiqing Zhang
Qingru Wang
Zejia Zhao
机构：
[1] Tianjin University of Science and Technology,Physics Department, School of Science
[2] Nankai University,The Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education
[3] Liaocheng University,School of Physical Science and Information Technology, Shandong Provinical Key Laboratory of Optical Communication Science and Technology
来源：
Bulletin of Materials Science | / 46卷
关键词：
CeF; :Tm; , Tb; , Eu; luminescence; fluorides; white light emission;
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摘要：
CeF3:RE3+ (Tm, Tb, Eu) phosphors were successfully prepared by a one-step hydrothermal method at low temperature. Crystal structure, morphology and luminescent properties of samples were studied. With the increase of Eu3+ doping concentration, the red and green intensity ratio increases, realizing the emission colour from green to red adjustment. The luminescence properties of CeF3:RE3+ (Tm, Tb, Eu) phosphors were investigated and suggested an obvious energy transfer process of Ce3+→Tb3+→Eu3+. The obtained CeF3:Tm3+, Tb3+ and Eu3+ tri-doped phosphors present an intense white light emission under excitation of 361 nm, thus being potentially useful as phosphors for white light-emitting diode purposes.
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