Novel Graphene/Carbon Nanotube Composite Fibers for Efficient Wire-Shaped Miniature Energy Devices

Novel nanostructured composite fibers based on graphene and carbon nanotubes are developed with high tensile strength, electrical conductivity, and electrocatalytic activity. As two application demonstrations, these composite fibers are used to fabricate flexible, wire‐shaped dye‐sensitized solar ce...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2014-05, Vol.26 (18), p.2868-2873
Main Authors: Sun, Hao, You, Xiao, Deng, Jue, Chen, Xuli, Yang, Zhibin, Ren, Jing, Peng, Huisheng
Format: Article
Language:English
Subjects:
Capacitance
carbon nanotube
Carbon nanotubes
composite fiber
Devices
Electronics
Fibers
Graphene
Miniature
Nanostructure
solar cell
supercapacitor
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Summary:Novel nanostructured composite fibers based on graphene and carbon nanotubes are developed with high tensile strength, electrical conductivity, and electrocatalytic activity. As two application demonstrations, these composite fibers are used to fabricate flexible, wire‐shaped dye‐sensitized solar cells and electrochemical supercapacitors, both with high performances, for example, a maximal energy conversion efficiency of 8.50% and a specific capacitance of ca. 31.50 F g−1. These miniature wire‐shaped devices are further shown to be promising for flexible and portable electronic facilities.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201305188