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Nanomaterials 2019, 9(3), 353; https://doi.org/10.3390/nano9030353

Introducing Well-Defined Nanowrinkles in CVD Grown Graphene

1
Department of Condensed Matter Physics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 5, 121 16 Prague 2, Czech Republic
2
J. Heyrovsky Institute of Physical Chemistry of the CAS, v.v.i., Dolejskova 2155/3, CZ-182 23 Prague 8, Czech Republic
3
Department of Physics, Norwegian University of Science and Technology (NTNU), Høgskoleringen 5, NO-7491 Trondheim, Norway
*
Authors to whom correspondence should be addressed.
Received: 31 January 2019 / Revised: 22 February 2019 / Accepted: 23 February 2019 / Published: 4 March 2019
(This article belongs to the Special Issue Electronic and Thermal Properties of Graphene)
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Abstract

The control of graphene’s topography at the nanoscale level opens up the possibility to greatly improve the surface functionalization, change the doping level or create nanoscale reservoirs. However, the ability to control the modification of the topography of graphene on a wafer scale is still rather challenging. Here we present an approach to create well-defined nanowrinkles on a wafer scale using nitrocellulose as the polymer to transfer chemical vapor deposition grown graphene from the copper foil to a substrate. During the transfer process, the complex tertiary nitrocellulose structure is imprinted into the graphene area layer. When the graphene layer is put onto a substrate this will result in a well-defined nanowrinkle pattern, which can be subsequently further processed. Using atomic force and Raman microscopy, we characterized the generated nanowrinkles in graphene. View Full-Text
Keywords: CVD graphene; transfer; ruga; wrinkle; ripple; Raman spectroscopy; AFM CVD graphene; transfer; ruga; wrinkle; ripple; Raman spectroscopy; AFM
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Verhagen, T.; Pacakova, B.; Kalbac, M.; Vejpravova, J. Introducing Well-Defined Nanowrinkles in CVD Grown Graphene. Nanomaterials 2019, 9, 353.

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