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Issue 10, 2011
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Unidirectional arrays of vertically standing graphenes in reactive plasmas

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Abstract

The possibility for the switch-over of the growth mode from a continuous network to unidirectional arrays of well-separated, self-organized, vertically oriented graphene nanosheets has been demonstrated using a unique, yet simple plasma-based approach. The process enables highly reproducible, catalyst-free synthesis of arrays of graphene nanosheets with reactive open graphitic edges facing upwards. Effective control over the nanosheet length, number density, and the degree of alignment along the electric field direction is achieved by a simple variation of the substrate bias. These results are of interest for environment-friendly fabrication of next-generation nanodevices based on three-dimensional, ordered self-organized nanoarrays of active nanostructures with very large surface areas and aspect ratios, highly reactive edges, and controlled density on the substrate. Our simple and versatile plasma-based approach paves the way for direct integration of such nanoarrays directly into the Si-based nanodevice platform.

Graphical abstract: Unidirectional arrays of vertically standing graphenes in reactive plasmas

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Publication details

The article was received on 18 Jul 2011, accepted on 02 Aug 2011 and first published on 15 Sep 2011


Article type: Paper
DOI: 10.1039/C1NR10860C
Citation: Nanoscale, 2011,3, 4296-4300
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    Unidirectional arrays of vertically standing graphenes in reactive plasmas

    S. Kumar and K. (. Ostrikov, Nanoscale, 2011, 3, 4296
    DOI: 10.1039/C1NR10860C

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