Journal
NANO LETTERS
Volume 16, Issue 10, Pages 6511-6515Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.6b03108
Keywords
Graphene fiber; graphene oxide; phenolic carbon; strength; conductivity
Categories
Funding
- Ph.D. Programs Foundation of SINOPEC Beijing Research Institute of Chemical Industry
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A new method to prepare graphene-based fibers, with ultrahigh tensile strength, conductivity, and increased elongation is reported. It includes wet-spinning the mixture of GO aqueous dispersion with phenolic resin solution in a newly developed coagulation bath, followed by annealing. The introduced phenolic carbon increased densification of graphene fibers through reducing defects and increased interfacial interaction among graphene sheets by forming new C-C bonds, thus resulting in the increasing of stiffness, toughness, and conductivity simultaneously.
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