Issue 22, 2015

A review on mechanical exfoliation for the scalable production of graphene

Abstract

Mass production and commercial availability are prerequisites for the viability and wide application of graphene. The exfoliation of graphite to give graphene is one of the most promising ways to achieve large-scale production at an extremely low cost. This review focuses on discussing different exfoliation techniques based on a common mechanical mechanism; because a deep understanding of the exfoliation mechanism can provide fruitful information on how to efficiently achieve high-quality graphene by optimizing exfoliation techniques. We highlight the recent progress on mechanical exfoliation for graphene production during the last decade. The emphasis is set on the widely used sonication method with the latest insight into sonication-induced defects, the newly explored ball milling method, the fluid dynamics method that has emerged in the last three years, and the innovative supercritical fluid method. We also give an outlook on how to achieve high-quality graphene efficiently using mechanical exfoliation techniques. We hope this review will point towards a rational direction for the scalable production of graphene.

Graphical abstract: A review on mechanical exfoliation for the scalable production of graphene

Article information

Article type
Review Article
Submitted
12 Jan 2015
Accepted
10 Mar 2015
First published
10 Mar 2015

J. Mater. Chem. A, 2015,3, 11700-11715

A review on mechanical exfoliation for the scalable production of graphene

M. Yi and Z. Shen, J. Mater. Chem. A, 2015, 3, 11700 DOI: 10.1039/C5TA00252D

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