Self-assembled high-performance graphene oxide fibers using ionic liquid as coagulating agent
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Abstract
An efficient strategy for fabricating high-performance GO fibers (GFs) by using ionic liquids as coagulating agent via wet-spinning technique was reported for the first time. The interactions between the functional groups of the GO sheets and the ionic liquids cations could be tuned by choosing ionic liquids cations with designed structure, yielding GFs with varied mechanical properties. No organic solvent or postdrawing processes involved makes this process green and facile.
Keywords
Ionic Liquid Graphene Oxide Expanded Graphite Coagulation Bath High Packing DensityNotes
Acknowledgements
This work was supported by Nanjing University of Posts and Telecommunications basic research program (NY 212002), the Ministry of Education of China Innovative Research Team in University (IRT1148), Key Project of National High Technology Research of China (2011AA050526) and Director Foundation of Xi’an Institute of Optics and Precision Mechanics (No. Y455A41ZZ0).
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