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What is graphene?

What is graphene? Graphene is a 2D material with a honeycomb lattice structure made of sp2 bonded carbon atoms. Graphene is essentially the mother of all graphitic materials - it can be formed into buckyballs and nanotubes, etched into nanoribbons, or stacked into bulk graphite. The properties of graphene that have researchers excited 1-2 include its excellent mobility4-5,8, long mean free path, high thermal conductivity 9, high mechanical strength, high surface area to volume ratio, width-dependent bandgap 3,6, and high current carrying capacity 17. Most of these properties are also true for carbon nanotubes (CNTs); however, graphene also has the advantage over CNTs . if graphene can be produced as a single two-dimensional sheet, it allows for easy patterning and can be integrated into the processes used in silicon integrated circuit manufacturing. As a truly 2D material, graphene has been of theoretical significance for more than 60 years. The discovery of graphene isolated from graphite in 2004 1 proved that a 2D material such as graphene can exist in a flat state on a substrate rather than curl up as previously thought. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ACM SIGDA Newsletter Association for Computing Machinery

What is graphene?

Murali, Raghunath; Meindl, James D.
ACM SIGDA Newsletter , Volume 39 (8) – Aug 1, 2009
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Publisher
Association for Computing Machinery
Copyright
The ACM Portal is published by the Association for Computing Machinery. Copyright © 2010 ACM, Inc.
ISSN
0163-5743
DOI
10.1145/1862906.1862907
Publisher site
See Article on Publisher Site

Abstract

Graphene is a 2D material with a honeycomb lattice structure made of sp2 bonded carbon atoms. Graphene is essentially the mother of all graphitic materials - it can be formed into buckyballs and nanotubes, etched into nanoribbons, or stacked into bulk graphite. The properties of graphene that have researchers excited 1-2 include its excellent mobility4-5,8, long mean free path, high thermal conductivity 9, high mechanical strength, high surface area to volume ratio, width-dependent bandgap 3,6, and high current carrying capacity 17. Most of these properties are also true for carbon nanotubes (CNTs); however, graphene also has the advantage over CNTs . if graphene can be produced as a single two-dimensional sheet, it allows for easy patterning and can be integrated into the processes used in silicon integrated circuit manufacturing. As a truly 2D material, graphene has been of theoretical significance for more than 60 years. The discovery of graphene isolated from graphite in 2004 1 proved that a 2D material such as graphene can exist in a flat state on a substrate rather than curl up as previously thought.

Journal

ACM SIGDA Newsletter – Association for Computing Machinery

Published: Aug 1, 2009

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