li-hydrophilicpanbased-2017.pdf (2 MB)
Hydrophilic PAN based carbon nanofibres with improved graphitic structure and enhanced mechanical performance using ethylenediamine functionalized graphene
journal contribution
posted on 2017-01-01, 00:00 authored by Zhenyu Li, Omid ZabihiOmid Zabihi, Jinfeng Wang, Sulley LiSulley Li, Jiemin Wang, Weiwei LeiWeiwei Lei, Minoo NaebeMinoo NaebePolyacrylonitrile (PAN) reinforced with nano-carbons such as graphene (Gr) and carbon nanotubes (CNTs) provides great opportunity for the development of low-cost and high-performance carbon materials. However, the poor dispersion and weak interaction between the carbon nanofillers and the surrounding PAN matrix prevent the final carbonized materials from reaching their full potential. Herein, we demonstrate a chemical approach using ethylenediamine (EDA) acting as a linker between graphene nanoplatelets and PAN for improved mechanical performance. The as-prepared CNFs exhibit a higher carbon yield and tensile modulus as well as improved graphitic structure compared to pristine PAN and PAN/Gr nanofibres. Furthermore, EDA can act as a N source for N-doping during the carbonization, enabling CNFs with hydrophilicity performance.
History
Journal
RSC AdvancesVolume
7Issue
5Pagination
2621 - 2628Publisher DOI
eISSN
2046-2069Publication classification
C1 Refereed article in a scholarly journalCopyright notice
2017, The AuthorsUsage metrics
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