Single-step synthesis and magnetic separation of graphene and carbon nanotubes in arc discharge plasmas

The unique properties of graphene and carbon nanotubes made them the most promising nanomaterials attracting enormous attention, due to the prospects for applications in various nanodevices, from nanoelectronics to sensors and energy conversion devices. Here we report on a novel deterministic, singl...

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Bibliographic Details
Published in:Nanoscale 2010-01, Vol.2 (10), p.2281-2285
Main Authors: Volotskova, O, Levchenko, I, Shashurin, A, Raitses, Y, Ostrikov, K, Keidar, M
Format: Article
Language:English
Subjects:
Arc discharges
Carbon nanotubes
Graphene
Magnetic separation
Nanocomposites
Nanoelectronics
Nanomaterials
Nanostructure
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Summary:The unique properties of graphene and carbon nanotubes made them the most promising nanomaterials attracting enormous attention, due to the prospects for applications in various nanodevices, from nanoelectronics to sensors and energy conversion devices. Here we report on a novel deterministic, single-step approach to simultaneous production and magnetic separation of graphene flakes and carbon nanotubes in an arc discharge by splitting the high-temperature growth and low-temperature separation zones using a non-uniform magnetic field and tailor-designed catalyst alloy, and depositing nanotubes and graphene in different areas. Our results are very relevant to the development of commercially-viable, single-step production of bulk amounts of high-quality graphene.
ISSN:2040-3364
2040-3372
DOI:10.1039/c0nr00416b