Journal
PHYSICA B-CONDENSED MATTER
Volume 414, Issue -, Pages 56-59Publisher
ELSEVIER
DOI: 10.1016/j.physb.2013.01.019
Keywords
Luminescence
Categories
Funding
- National Natural Science Foundation of China [50902042]
- Natural Science Foundation of Hebei Province, China [E2009000209, E2010000283]
- Education Bureau Foundation of Hebei Province, China [2009313]
- Key Laboratory of Luminescence and Optical Information, Beijing Jiaotong University, Ministry of Education, China [2010LOI12]
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Sm3+ doped Ca2BO3Cl with different charge compensation approaches are synthesized by a high temperature solid state reaction method, and systematically characterized by the luminescent properties and the CIE chromaticity coordinates. All the samples show the characteristics orange-red emission of Sm3+ ion with good CIE chromaticity coordinates. When codoped Li+, Na+, K+ as charge compensators, the relative emission intensities of Ca2BO3Cl:Sm3+ are increased to 1.57, 1.99 and 1.78 times that of the direct charge balance. The difference is considered to be due to the different ion radii effect on the crystal field of Sm3+ ions. The results indicate that Na+ ion may be the optimal compensation charge for Ca2BO3Cl:Sm3+. (C) 2013 Elsevier B.V. All rights reserved.
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