Microfluidization of Graphite and Formulation of Graphene-Based Conductive Inks

Panagiotis G. Karagiannidis; Stephen A. Hodge; Lucia Lombardi; Flavia Tomarchio; Nicolas Decorde; Silvia Milana; Ilya Goykhman; Yang Su; Steven V. Mesite; Duncan N. Johnstone; Rowan K. Leary; Paul A. Midgley; Nicola M. Pugno; Felice Torrisi; Andrea C. Ferrari

doi:10.1021/acsnano.6b07735

Microfluidization of Graphite and Formulation of Graphene-Based Conductive Inks

Panagiotis G. Karagiannidis, Stephen A. Hodge, Lucia Lombardi, Flavia Tomarchio, Nicolas Decorde, Silvia Milana, Ilya Goykhman, Yang Su, Steven V. Mesite, Duncan N. Johnstone, Rowan K. Leary, Paul A. Midgley, Nicola M. Pugno, Felice Torrisi, Andrea C. Ferrari^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

307 Scopus citations

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.

Original language	English
Pages (from-to)	2742-2755
Number of pages	14
Journal	ACS Nano
Volume	11
Issue number	3
DOIs	https://doi.org/10.1021/acsnano.6b07735
State	Published - 28 Mar 2017
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2017 American Chemical Society.

Keywords

conducting inks
flexible electronics
graphene
solution processing

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10.1021/acsnano.6b07735

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Karagiannidis, P. G., Hodge, S. A., Lombardi, L., Tomarchio, F., Decorde, N., Milana, S., Goykhman, I., Su, Y., Mesite, S. V., Johnstone, D. N., Leary, R. K., Midgley, P. A., Pugno, N. M., Torrisi, F., & Ferrari, A. C. (2017). Microfluidization of Graphite and Formulation of Graphene-Based Conductive Inks. ACS Nano, 11(3), 2742-2755. https://doi.org/10.1021/acsnano.6b07735

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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.",

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doi = "10.1021/acsnano.6b07735",

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AU - Karagiannidis, Panagiotis G.

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AU - Lombardi, Lucia

AU - Tomarchio, Flavia

AU - Decorde, Nicolas

AU - Milana, Silvia

AU - Goykhman, Ilya

AU - Su, Yang

AU - Mesite, Steven V.

AU - Johnstone, Duncan N.

AU - Leary, Rowan K.

AU - Midgley, Paul A.

AU - Pugno, Nicola M.

AU - Torrisi, Felice

AU - Ferrari, Andrea C.

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Microfluidization of Graphite and Formulation of Graphene-Based Conductive Inks

Abstract

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Keywords

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