volume 13 issue 6 pages 624-630

Scalable production of large quantities of defect-free few-layer graphene by shear exfoliation in liquids.

Keith R Paton 1, 2
Varrla Eswaraiah 1, 3
Claudia Backes 1, 3
Ronan J Smith 1, 3
UMAR KHAN 1, 3
Arlene O'Neill 1, 3
Conor Boland 1, 3
Mustafa Lotya 1, 3
Oana M Istrate 1, 3
Paul King 1, 3
Tom Higgins 1, 3
Sebastian Barwich 1, 3
PETER MAY 1, 3
Pawel Puczkarski 1, 3
Iftikhar Ahmed 3
Matthias Moebius 3
Henrik Pettersson 1, 3
Edmund Long 1, 3
João Coelho 1, 4
Sean E O'Brien 1, 3
Eva K Mcguire 1, 3
Beatriz Mendoza Sanchez 1, 4
Georg S. Duesberg 1, 4
Niall McEvoy 1, 4
Timothy J Pennycook 5, 6
Clive Downing 1
Alison Crossley 6
Valeria Nicolosi 1, 3, 4
Jonathan N Coleman 1, 3
Publication typeJournal Article
Publication date2014-04-20
scimago Q1
wos Q1
SJR14.204
CiteScore61.8
Impact factor38.5
ISSN14761122, 14764660
PubMed ID:  24747780
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
To progress from the laboratory to commercial applications, it will be necessary to develop industrially scalable methods to produce large quantities of defect-free graphene. Here we show that high-shear mixing of graphite in suitable stabilizing liquids results in large-scale exfoliation to give dispersions of graphene nanosheets. X-ray photoelectron spectroscopy and Raman spectroscopy show the exfoliated flakes to be unoxidized and free of basal-plane defects. We have developed a simple model that shows exfoliation to occur once the local shear rate exceeds 10(4) s(-1). By fully characterizing the scaling behaviour of the graphene production rate, we show that exfoliation can be achieved in liquid volumes from hundreds of millilitres up to hundreds of litres and beyond. The graphene produced by this method performs well in applications from composites to conductive coatings. This method can be applied to exfoliate BN, MoS2 and a range of other layered crystals.
Found 
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Paton K. R. et al. Scalable production of large quantities of defect-free few-layer graphene by shear exfoliation in liquids. // Nature Materials. 2014. Vol. 13. No. 6. pp. 624-630.
GOST all authors (up to 50) Copy
Paton K. R. et al. Scalable production of large quantities of defect-free few-layer graphene by shear exfoliation in liquids. // Nature Materials. 2014. Vol. 13. No. 6. pp. 624-630.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/nmat3944
UR - https://doi.org/10.1038/nmat3944
TI - Scalable production of large quantities of defect-free few-layer graphene by shear exfoliation in liquids.
T2 - Nature Materials
AU - Paton, Keith R
AU - Eswaraiah, Varrla
AU - Backes, Claudia
AU - Smith, Ronan J
AU - KHAN, UMAR
AU - O'Neill, Arlene
AU - Boland, Conor
AU - Lotya, Mustafa
AU - Istrate, Oana M
AU - King, Paul
AU - Higgins, Tom
AU - Barwich, Sebastian
AU - MAY, PETER
AU - Puczkarski, Pawel
AU - Ahmed, Iftikhar
AU - Moebius, Matthias
AU - Pettersson, Henrik
AU - Long, Edmund
AU - Coelho, João
AU - O'Brien, Sean E
AU - Mcguire, Eva K
AU - Sanchez, Beatriz Mendoza
AU - Duesberg, Georg S.
AU - McEvoy, Niall
AU - Pennycook, Timothy J
AU - Downing, Clive
AU - Crossley, Alison
AU - Nicolosi, Valeria
AU - Coleman, Jonathan N
PY - 2014
DA - 2014/04/20
PB - Springer Nature
SP - 624-630
IS - 6
VL - 13
PMID - 24747780
SN - 1476-1122
SN - 1476-4660
ER -
BibTex |
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BibTex (up to 50 authors) Copy
@article{2014_Paton,
author = {Keith R Paton and Varrla Eswaraiah and Claudia Backes and Ronan J Smith and UMAR KHAN and Arlene O'Neill and Conor Boland and Mustafa Lotya and Oana M Istrate and Paul King and Tom Higgins and Sebastian Barwich and PETER MAY and Pawel Puczkarski and Iftikhar Ahmed and Matthias Moebius and Henrik Pettersson and Edmund Long and João Coelho and Sean E O'Brien and Eva K Mcguire and Beatriz Mendoza Sanchez and Georg S. Duesberg and Niall McEvoy and Timothy J Pennycook and Clive Downing and Alison Crossley and Valeria Nicolosi and Jonathan N Coleman and others},
title = {Scalable production of large quantities of defect-free few-layer graphene by shear exfoliation in liquids.},
journal = {Nature Materials},
year = {2014},
volume = {13},
publisher = {Springer Nature},
month = {apr},
url = {https://doi.org/10.1038/nmat3944},
number = {6},
pages = {624--630},
doi = {10.1038/nmat3944}
}
MLA
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MLA Copy
Paton, Keith R., et al. “Scalable production of large quantities of defect-free few-layer graphene by shear exfoliation in liquids..” Nature Materials, vol. 13, no. 6, Apr. 2014, pp. 624-630. https://doi.org/10.1038/nmat3944.