Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/96197
Title: Neutron diffraction as a precise and reliable method for obtaining structural properties of bulk quantities of graphene
Authors: Sofer, Zdeněk
Šimek, Petr
Jankovský, Ondřej
Sedmidubský, David
Beran, Přemysl
Pumera, Martin
Keywords: DRNTU::Science::Physics::Nuclear and particle physics
Issue Date: 2014
Source: Sofer, Z., Šimek, P., Jankovský, O., Sedmidubský, D., Beran, P., & Pumera, M. (2014). Neutron diffraction as a precise and reliable method for obtaining structural properties of bulk quantities of graphene. Nanoscale, 6(21), 13082-13089.
Series/Report no.: Nanoscale
Abstract: Graphene based carbon materials have attracted a great deal of attention in the last decade; nowadays tons of graphene are produced yearly. However, there is lack of precise and reliable techniques for the determination of structural properties of graphene on the bulk scale. The analytical methods being routinely applied for graphene characterization, including TEM and AFM, can be only used for the study of scant amounts of graphene samples and do not give general information on the average number of layers and the structure of the prepared graphenes. On the other hand, diffraction methods can be advantageously used to obtain information on the average thickness of the produced graphene as well as on the average sheets lateral dimensions, without the necessity of sample dispersion in solvents. We present a study of the structural properties of graphene prepared by chemical and thermal reduction of graphite oxide, comparing SEM, STEM, AFM, Raman spectroscopy, BET, X-ray and neutron diffraction methods. Our study brings new deep insights into the basic structural properties of graphene in a bulk form. Given the importance of a suitable characterization technique on the bulk materials, we wish to highlight the importance of these diffraction techniques for accurate determination of the graphene thickness and lateral parameters.
URI: https://hdl.handle.net/10356/96197
http://hdl.handle.net/10220/38474
ISSN: 2040-3364
DOI: 10.1039/C4NR04644G
Rights: © 2014 The Royal Society of Chemistry. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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