Back to Search Start Over

Novel red-emitting Lu3Te2Li3O12: Eu3+ phosphor with high color purity for n-UV WLEDs

Authors :
Qu Mingyang
Zhang Xiyan
Mi Xiaoyun
Liu Quansheng
Xu Shaoqiu
Source :
E3S Web of Conferences, Vol 185, p 04044 (2020)
Publication Year :
2020
Publisher :
EDP Sciences, 2020.

Abstract

In this work, a series of red emitting Lu3Te2Li3O12: Eu3+ phosphors were synthesized for the first time by high temperature solid state reaction. The structure was characterized by X-ray diffraction. The excitation spectra, emission spectra and CIE chromaticity coordinate were studied. The phosphors show strong red emission at 611 nm due to the 5D0-7F2 transition of Eu3+ ions. The optimal doping concentration of Eu3+ in LTL host is x = 0.5 due to the concentration quenching mechanism of dipole-dipole interaction. The CIE chromaticity coordinates of the LTL: 0.5Eu3++ phosphor is (0.644,0.355), and the purity of the color is up to 93.61%. The phosphor can be considered as a potential red-emitting candidate for near UV WLEDs.

Subjects

Subjects :
Environmental sciences
GE1-350

Details

Language :
English, French
ISSN :
22671242 and 20201850
Volume :
185
Database :
Directory of Open Access Journals
Journal :
E3S Web of Conferences
Publication Type :
Academic Journal
Accession number :
edsdoj.3aa24b9aa2554795ac1a9090c0193ec9
Document Type :
article
Full Text :
https://doi.org/10.1051/e3sconf/202018504044