Fabrication of high quality graphene nanosheets via a spontaneous electrochemical reaction process

Jang Woo Lee; Minho Kim; Wonjun Na; Soon Man Hong; Chong Min Koo

doi:10.1016/j.carbon.2015.04.095

Fabrication of high quality graphene nanosheets via a spontaneous electrochemical reaction process

Jang Woo Lee, Minho Kim, Wonjun Na, Soon Man Hong, Chong Min Koo

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

A highly efficient graphene nanosheet (GNS) production process based on spontaneous electrochemical reactions - (i) spontaneous lithiation reaction through the direct contact between graphite powder and Li metal in an electrolyte due to the high electrochemical potential difference; and (ii) reaction of Li inside the lithiated graphite with water - is reported. This process, with the absence of supplied energies, is oxidation-free, very fast, scalable and produces a high quality GNS (C/O: 17.9 by EA, I_D/I_G: 0.55 by Raman spectroscopy) with a high yield (>95 wt.%).

Original language	English
Pages (from-to)	527-534
Number of pages	8
Journal	Carbon
Volume	91
DOIs	https://doi.org/10.1016/j.carbon.2015.04.095
Publication status	Published - 2015 May 30
Externally published	Yes

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© 2015 Elsevier Ltd. All rights reserved.

ASJC Scopus subject areas

General Chemistry
General Materials Science

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10.1016/j.carbon.2015.04.095

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abstract = "A highly efficient graphene nanosheet (GNS) production process based on spontaneous electrochemical reactions - (i) spontaneous lithiation reaction through the direct contact between graphite powder and Li metal in an electrolyte due to the high electrochemical potential difference; and (ii) reaction of Li inside the lithiated graphite with water - is reported. This process, with the absence of supplied energies, is oxidation-free, very fast, scalable and produces a high quality GNS (C/O: 17.9 by EA, ID/IG: 0.55 by Raman spectroscopy) with a high yield (>95 wt.%).",

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AU - Lee, Jang Woo

AU - Kim, Minho

AU - Na, Wonjun

AU - Hong, Soon Man

AU - Koo, Chong Min

PY - 2015/5/30

Y1 - 2015/5/30

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AB - A highly efficient graphene nanosheet (GNS) production process based on spontaneous electrochemical reactions - (i) spontaneous lithiation reaction through the direct contact between graphite powder and Li metal in an electrolyte due to the high electrochemical potential difference; and (ii) reaction of Li inside the lithiated graphite with water - is reported. This process, with the absence of supplied energies, is oxidation-free, very fast, scalable and produces a high quality GNS (C/O: 17.9 by EA, ID/IG: 0.55 by Raman spectroscopy) with a high yield (>95 wt.%).

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JO - Carbon

JF - Carbon

ER -

Fabrication of high quality graphene nanosheets via a spontaneous electrochemical reaction process

Abstract

Bibliographical note

ASJC Scopus subject areas

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