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Synthesis and luminescence properties of Sm-doped LDPE-Na2SO4 composite material
Zhang J(张静); Zhang, J; Rahman, AMS; Li, YX; Yang, J; Zhao, BZ; Lu, EY; Zhang, P; Cao, XZ; Yu, RS; Wang, BY;; Yang J(杨静); Zhao BZ(赵博震); Lu EY(卢二阳); Zhang P(张鹏); Cao XZ(曹兴忠); Yu RS(于润升); Wang BY(王宝义)
2013
发表期刊OPTICAL MATERIALS
卷号36期号:2页码:471-475
摘要A series of Sm-doped LDPE-Na2SO4 composites were successfully achieved by melt mixing and hot pressing methods. Their morphology, structure and luminescent properties were characterized by scanning electron microscope (SEM), energy dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD) and photoexcitation (PE), photoluminescence (PL) spectra, respectively. The sizes and concentrations of free volume cavities in composites were studied by positron annihilation lifetime spectroscopy (PALS). SEM micrographs showed that Na2SO4:Sm3+ particles were well-distributed in the polymer matrix. XRD analyses revealed that the addition of Na2SO4:Sm3+ had no effect on the original crystal structure of LDPE. The dominant photoexcitation peak was observed at about 402 nm. The photoluminescence spectra consisted of four main peaks at 563, 598, 644 and 706 nm which could be associated to the transitions (4)G(5/2) -> H-6(J) (J = 5/2,7/2,912 and 11/2, respectively) within the 4f(5) electronic configuration of Sm3+. The effect of different doping concentration of Na2SO4:Sm3+ on the luminescent properties of the composites was investigated. The luminescent intensity of the composites increased with phosphor concentration. (C) 2013 Elsevier B.V. All rights reserved.
关键词Phosphor Polymer-matrix composite Luminescence Sm
学科领域Materials Science; Optics
DOI10.1016/j.optmat.2013.10.011
收录类别SCI
WOS记录号WOS:000329892000055
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/223993
专题多学科研究中心
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GB/T 7714
Zhang J,Zhang, J,Rahman, AMS,et al. Synthesis and luminescence properties of Sm-doped LDPE-Na2SO4 composite material[J]. OPTICAL MATERIALS,2013,36(2):471-475.
APA 张静.,Zhang, J.,Rahman, AMS.,Li, YX.,Yang, J.,...&王宝义.(2013).Synthesis and luminescence properties of Sm-doped LDPE-Na2SO4 composite material.OPTICAL MATERIALS,36(2),471-475.
MLA 张静,et al."Synthesis and luminescence properties of Sm-doped LDPE-Na2SO4 composite material".OPTICAL MATERIALS 36.2(2013):471-475.
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