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Preparation and photoluminescence properties of single-phase Ca2SiO3Cl2:Eu2+ bluish-green emitting phosphor
Hao Z. D.; Zhang X.; Luo Y. S.; Zhang J. H.
2013
发表期刊Materials Letters
ISSNISBN/0167-577X
期号93
摘要Using CaO/CaCO3 (blend) and NH4Cl as the respective calcium and chloride sources, we have succeeded in the synthesis of single-phase Ca2SiO3Cl2:Eu2+ powder phosphor via solid-state-reaction. Indeed, two emission bands due to Eu2+ should be observed in Ca2SiO3Cl2:Eu2+, since there are two Eu2+ luminescence centers substituting for two Ca2+ sites. However, interestingly, only one emission band centered at 495 nm is observed. This is explained based on the uniform covalency and crystal field of two Eu2+ sites. The excellent thermal stability and the intense emission upon near-ultraviolet (UV) light excitation suggest that Ca2SiO3Cl2:Eu2+ can be used as a potential bluish-green phosphor for near-UV white LEDs. (C) 2012 Elsevier B.V. All rights reserved.
收录类别SCI ; EI
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/40819
专题中科院长春光机所知识产出
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Hao Z. D.,Zhang X.,Luo Y. S.,et al. Preparation and photoluminescence properties of single-phase Ca2SiO3Cl2:Eu2+ bluish-green emitting phosphor[J]. Materials Letters,2013(93).
APA Hao Z. D.,Zhang X.,Luo Y. S.,&Zhang J. H..(2013).Preparation and photoluminescence properties of single-phase Ca2SiO3Cl2:Eu2+ bluish-green emitting phosphor.Materials Letters(93).
MLA Hao Z. D.,et al."Preparation and photoluminescence properties of single-phase Ca2SiO3Cl2:Eu2+ bluish-green emitting phosphor".Materials Letters .93(2013).
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