Evaluation of Field Emission Characteristics Using Graphene Fiber
Vol. 58, No. 6, pp. 361-367,
Dec. 2021
10.12772/TSE.2021.58.361
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Abstract
We fabricated reduced graphene oxide fiber through wet spinning and chemically
reduction method. We observed the reduction of graphene oxide by using Raman
spectroscopy and X-ray photoelectron spectroscopy. The mechanical and electrical properties
of reduced graphene oxide fiber were also measured and both properties were
improved by reduction of graphene oxide fiber. We applied the reduced graphene oxide
fiber to electrode for the electron emission. The emission current was 1.0 mA and the field
enhancement was 4.97×103. It shows that the reduced graphene oxide fiber would be
applicable as a material for electron emission.
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