Issue 30, 2017

Preparation of graphene by electrical explosion of graphite sticks

Abstract

Graphene nanosheets were produced by electrical explosion of high-purity graphite sticks in distilled water at room temperature. The as-prepared samples were characterized by various techniques to find different forms of carbon phases, including graphite nanosheets, few-layer graphene, and especially, mono-layer graphene with good crystallinity. Delicate control of energy injection is critical for graphene nanosheet formation, whereas mono-layer graphene was produced under the charging voltage of 22.5–23.5 kV. On the basis of electrical wire explosion and our experimental results, the underlying mechanism that governs the graphene generation was carefully illustrated. This work provides a simple but innovative route for producing graphene nanosheets.

Graphical abstract: Preparation of graphene by electrical explosion of graphite sticks

Article information

Article type
Paper
Submitted
07 Mar 2017
Accepted
30 Apr 2017
First published
03 May 2017

Nanoscale, 2017,9, 10639-10646

Preparation of graphene by electrical explosion of graphite sticks

X. Gao, C. Xu, H. Yin, X. Wang, Q. Song and P. Chen, Nanoscale, 2017, 9, 10639 DOI: 10.1039/C7NR01647F

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