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Electrically conductive polyethylene terephthalate/graphene nanocomposites prepared by melt compounding

Zhang, Hao-Bin, Zheng, Wen-Ge, Yan, Qing, Yang, Yong, Wang, Ji-Wen, Lu, Zhao-Hui, Ji, Guo-Ying, Yu, Zhong-Zhen·2010·Polymer

Abstract

Graphene nanosheets were prepared by complete oxidation of pristine graphite followed by thermal exfoliation and reduction. Polyethylene terephthalate (PET)/graphene nanocomposites were prepared by melt compounding. Transmission electron microscopy observation indicated that graphene nanosheets exhibited a uniform dispersion in PET matrix. The incorporation of graphene greatly improved the electrical conductivity of PET, resulting in a sharp transition from electrical insulator to semiconductor with a low percolation threshold of 0.47 vol.%. A high electrical conductivity of 2.11 S/m was achieved with only 3.0 vol.% of graphene. The low percolation threshold and superior electrical conductivity are attributed to the high aspect ratio, large specific surface area and uniform dispersion of the graphene nanosheets in PET matrix.

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Metadata

Authors
Zhang, H.-B., Zheng, W.-G., Yan, Q., Yang, Y., Wang, J.-W., Lu, Z.-H., Ji, G.-Y., & Yu, Z.-Z.
Venue
Polymer
Publisher
Elsevier BV
Published
2010-03
Volume
51
Issue
5
Pages
1191-1196
ISSN
0032-3861 (ISSN-L)
OpenAlex
W1973518159
Cited by
804
References
6
FWCI
37.42
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Electrically conductive polyethylene terephthalate/graphene nanocomposites prepared by melt compounding. https://app.cochat.ai/papers/10.1016/j.polymer.2010.01.027
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Zhang, H.-B., Zheng, W.-G., Yan, Q., Yang, Y., Wang, J.-W., Lu, Z.-H., Ji, G.-Y., & Yu, Z.-Z. (2010). Electrically conductive polyethylene terephthalate/graphene nanocomposites prepared by melt compounding. Polymer. https://doi.org/10.1016/j.polymer.2010.01.027

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