Journal
ACS NANO
Volume 11, Issue 9, Pages 9424-9434Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.7b05029
Keywords
graphene; fiber; supercapacitor; conducting polymer; interfacial polymerization
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Funding
- National Creative Research Initiative (CRI) Center for Multi-Dimensional Directed Nanoscale Assembly [2015R1A3A2033061]
- Nanomaterial Technology Development Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT and Future Planning [NRF-2016M3A7B4905613]
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We report graphene@polymer core-shell fibers (G@PFs) composed of N and Cu codoped porous graphene fiber cores uniformly coated with semiconducting polymer shell layers with superb electro-chemical characteristics. Aqueous/organic interface-confined polymerization method produced robust highly crystalline uniform semiconducting polymer shells with high electrical conductivity and redox activity. When the resultant core-shell fibers are utilized for fiber supercapacitor application, high areal/volume capacitance and energy densities are attained along with long-term cycle stability. Desirable combination of mechanical flexibility, electrochemical properties, and facile process scalability makes our G@PFs particularly promising for portable and wearable electronics.
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