CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
Electrical and Optical Properties of MWNTs/HDPE Composites in THz Region
Chen, XL(陈西良); Ma, MW(马明旺); Yang, MM(杨晓敏); Yang, K; Ji, T; Wu, SW(吴胜伟); Zhu, ZY(朱智勇); Zhu, ZY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2008
Source PublicationACTA PHYSICO-CHIMICA SINICA
ISSN1000-6818
Volume24Issue:11Pages:1969
AbstractConductive composites were prepared by filling high density polyethylene (HDPE) with various amounts of multi-walled carbon nanotubes (MWNTs) and were characterized by using a terahertz time-domain spectroscopy (THz-TDS) setup assisted with conductivity measurements. The direct current (dc) conductivity measurement indicated that the percolation threshold was about 5% in volume fraction. The frequence and filler concentration dependences of alternating current (ac) conductivity were investigated and the results could be understood with the polarization effects between clusters, anomalous diffusion within the clusters as well its the percolating structures. With increasing the MWNT particles, the absorption coefficient and refractive index all increased at THz band due to the increase of the charge carrier density. The experimental data were analyzed with Cole-Cole formula of dipole relaxation under the assumption that conductive particles dispersed in the matrix behaved like dipoles and contributed mainly to the dielectric loss in the THz frequency range.
Subject AreaPhysics
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000261204000006
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/7712
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorZhu, ZY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Chen, XL,Ma, MW,Yang, MM,et al. Electrical and Optical Properties of MWNTs/HDPE Composites in THz Region[J]. ACTA PHYSICO-CHIMICA SINICA,2008,24(11):1969.
APA Chen, XL.,Ma, MW.,Yang, MM.,Yang, K.,Ji, T.,...&Zhu, ZY .(2008).Electrical and Optical Properties of MWNTs/HDPE Composites in THz Region.ACTA PHYSICO-CHIMICA SINICA,24(11),1969.
MLA Chen, XL,et al."Electrical and Optical Properties of MWNTs/HDPE Composites in THz Region".ACTA PHYSICO-CHIMICA SINICA 24.11(2008):1969.
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