Microfluidization of Graphite and Formulation of Graphene-Based Conductive Inks

[Image: see text] We report the exfoliation of graphite in aqueous solutions under high shear rate [∼ 10(8) 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 f...

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Detalles Bibliográficos
Autores principales: Karagiannidis, Panagiotis G., Hodge, Stephen A., Lombardi, Lucia, Tomarchio, Flavia, Decorde, Nicolas, Milana, Silvia, Goykhman, Ilya, Su, Yang, Mesite, Steven V., Johnstone, Duncan N., Leary, Rowan K., Midgley, Paul A., Pugno, Nicola M., Torrisi, Felice, Ferrari, Andrea C.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2017
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5371927/
https://www.ncbi.nlm.nih.gov/pubmed/28102670
http://dx.doi.org/10.1021/acsnano.6b07735
Descripción
Sumario:[Image: see text] We report the exfoliation of graphite in aqueous solutions under high shear rate [∼ 10(8) 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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