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Synthesis of Graphene Sheets with High Electrical Conductivity and Good Thermal Stability by Hydrogen Arc Discharge Exfoliation

Wu, Zhong-Shuai, Ren, Wencai, Gao, Libo, Zhao, Jinping, Chen, Zongping, Liu, Bilu, Tang, Daiming, Yu, Bing, Jiang, Chuanbin, Cheng, Hui-Ming·2009·ACS Nano
DOI 10.1021/nn900020u
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Abstract

We developed a hydrogen arc discharge exfoliation method for the synthesis of graphene sheets (GSs) with excellent electrical conductivity and good thermal stability from graphite oxide (GO), in combination with solution-phase dispersion and centrifugation techniques. It was found that efficient exfoliation and considerable deoxygenation of GO, and defect elimination and healing of exfoliated graphite can be simultaneously achieved during the hydrogen arc discharge exfoliation process. The GSs obtained by hydrogen arc discharge exfoliation exhibit a high electrical conductivity of approximately 2 x 10(3) S/cm and high thermal stability with oxidization resistance temperature of 601 degrees C, which are much better than those prepared by argon arc discharge exfoliation (approximately 2 x 10(2) S/cm, 525 degrees C) and by conventional thermal exfoliation (approximately 80 S/cm, 507 degrees C) with the same starting GO. These results demonstrate that this hydrogen arc discharge exfoliation method is a good approach for the preparation of GSs with a good quality.

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Metadata

Authors
Wu, Z.-S., Ren, W., Gao, L., Zhao, J., Chen, Z., Liu, B., Tang, D., Yu, B., Jiang, C., & Cheng, H.-M.
Venue
ACS Nano
Publisher
American Chemical Society (ACS)
Published
2009-02-03
Volume
3
Issue
2
Pages
411-417
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
DOI
10.1021/nn900020u
OpenAlex
W2143983498
Cited by
937
References
5
FWCI
20.90
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Synthesis of Graphene Sheets with High Electrical Conductivity and Good Thermal Stability by Hydrogen Arc Discharge Exfoliation. https://app.cochat.ai/papers/10.1021/nn900020u
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Wu, Z.-S., Ren, W., Gao, L., Zhao, J., Chen, Z., Liu, B., Tang, D., Yu, B., Jiang, C., & Cheng, H.-M. (2009). Synthesis of Graphene Sheets with High Electrical Conductivity and Good Thermal Stability by Hydrogen Arc Discharge Exfoliation. ACS Nano. https://doi.org/10.1021/nn900020u

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