期刊
MATERIALS LETTERS
卷 65, 期 12, 页码 1756-1758出版社
ELSEVIER
DOI: 10.1016/j.matlet.2011.03.075
关键词
Luminescence; Phosphors; Optical materials and properties
A series of new red-emitting Ce3+, Mn2+-doped barium lithium silicate phosphors, with general formula Ba2Li2Si2O7: Ce3+, Mn2+, were synthesized by solid-state reactions. The Mn2+ in this system can be effectively excited in a wide UV region especially in the NUV range, and has broad red emission after NUV excitation through Ce3+-Mn2+ energy transfer, as well as excellent thermal stability. The blue-shift behavior of Mn2+ emission with increasing temperature can be described in terms of the phonon-electron interaction. The promising luminescence properties make it a red candidate for application in NUV chip pumped LED. (C) 2011 Elsevier B.V. All rights reserved.
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