Graphene nanoribbons obtained by electrically unwrapping carbon nanotubes

Kwanpyo Kim; Allen Sussman; A. Zettl

doi:10.1021/nn901782g

Graphene nanoribbons obtained by electrically unwrapping carbon nanotubes

Kwanpyo Kim, Allen Sussman, A. Zettl

Department of Physics

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

136 Citations (Scopus)

Abstract

We describe a clean method of graphene nanoribbon (GNR) extraction from multiwall carbon nanotubes (MWNTs), performed in a high vacuum, nonchemical environment. Electrical current and nanomanipulation are used to unwrap a portion of the MWNT and thus produce a GNR of desired width and length. The unwrapping method allows GNRs to be concurrently characterized structurally via high-resolution transmission electron microscopy (TEM) and evaluated for electrical transport, including situations for which the GNR is severely mechanically flexed. High quality GNRs have exceptional current-carrying capacity, comparable to the exfoliated graphene.

Original language	English
Pages (from-to)	1362-1366
Number of pages	5
Journal	ACS Nano
Volume	4
Issue number	3
DOIs	https://doi.org/10.1021/nn901782g
Publication status	Published - 2010 Mar 23

All Science Journal Classification (ASJC) codes

Materials Science(all)
Engineering(all)
Physics and Astronomy(all)

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