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Toward high performance graphene fibers.

Li Chen¹, Yuling He, Songgang Chai

¹College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.

|May 22, 2013

Summary

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Researchers developed a method to continuously spin macroscopic graphene fibers from graphene oxide suspensions. Optimizing wet-spinning conditions significantly impacts the fibers

Area of Science:

Materials Science
Nanotechnology
Polymer Science

Background:

Graphene and its derivatives exhibit exceptional properties, driving interest in their applications.
Integrating graphene sheets into macroscopic fibers is crucial for practical utilization.

Purpose of the Study:

To continuously spin neat and macroscopic graphene fibers from graphene oxide (GO) suspensions.
To investigate the structural features, mechanical, and electrical properties of the prepared graphene fibers.

Main Methods:

Continuous wet-spinning of graphene oxide (GO) suspensions.
Chemical reduction of spun GO fibers to form graphene fibers.
Systematic variation of wet-spinning conditions.
Characterization of structural features, mechanical strength, and electrical conductivity.

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Main Results:

Graphene fibers were successfully fabricated via continuous wet-spinning and reduction.
Fiber properties are significantly influenced by graphene sheet orientation, inter-fiber interactions, and defects.

Conclusions:

Optimized wet-spinning conditions are key to producing high-performance graphene fibers.
These findings offer guidance for the scalable production of advanced graphene fibers for high-tech applications.