Synthesis and luminescence properties of Sm-doped LDPE-Na2SO4 composite material

	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
刊名	OPTICAL MATERIALS
	2013
卷号	36 期号:2 页码:471-475
关键词	Phosphor Polymer-matrix composite Luminescence Sm
英文摘要	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.
学科主题	Materials Science; Optics
收录类别	SCI
WOS记录号	WOS:000329892000055
公开日期	2016-05-03
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/223993]
专题	高能物理研究所_多学科研究中心
推荐引用方式 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.