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Microfluidization of Graphite and Formulation of Graphene-Based Conductive Inks

Published version
Peer-reviewed

Repository URI

https://www.repository.cam.ac.uk/handle/1810/263401

Repository DOI

https://doi.org/10.17863/CAM.8745

Files

Published version (2.71 MB)
Accepted version (3.32 MB) (Embargoed until: 2100-01-01)

Type

Article

Change log

Authors

Karagiannidis, PG 
Hodge, SA 
Lombardi, L 
Tomarchio, F 
Decorde, N 
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Abstract

We report the exfoliation of graphite in aqueous solutions under high shear rate [∼ 108 s−1] turbulent flow conditions, with a 100% exfoliation yield. The material is stabilized without centrifugation at concentrations up to 100 g/L using carboxymethylcellulose sodium salt to formulate conductive printable inks. The sheet resistance of blade coated films is below ∼2Ω/□. This is a simple and scalable production route for conductive inks for large-area printing in flexible electronics.

Description

Keywords

conducting inks, flexible electronics, graphene, solution processing

Journal Title

ACS Nano

Conference Name

Journal ISSN

1936-0851
1936-086X

Volume Title

11

Publisher

American Chemical Society

Publisher DOI

https://doi.org/10.1021/acsnano.6b07735

Rights

Attribution 4.0 International Repository logo
Sponsorship
Engineering and Physical Sciences Research Council (EP/K01711X/1)
Engineering and Physical Sciences Research Council (EP/K017144/1)
European Research Council (291522)
European Commission Horizon 2020 (H2020) Societal Challenges (732344)
European Commission Horizon 2020 (H2020) Future and Emerging Technologies (FET) (696656)
Engineering and Physical Sciences Research Council (EP/P02534X/1)
We acknowledge funding from EU Graphene Flagship, ERCs grants Hetero2D, HiGRAPHINK, 3DIMAGEEPSRC, ESTEEM2, BIHSNAM, KNOTOUGH, and SILKENE, EPSRC grants EP/K01711X/1, EP/K017144/1, and EP/N010345/1, a Vice Chancellor award from the University of Cambridge, a Junior Research Fellowship from Clare College and the Cambridge NanoCDT and Graphene Technology CDT. We thank Chris Jones for useful discussions, and Imerys Graphite and Carbon for graphite powders.

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Scholarly Works - Engineering
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