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Wiley, Angewandte Chemie International Edition, 39(53), p. 10355-10361, 2014

DOI: 10.1002/anie.201402696

Wiley, Angewandte Chemie, 39(126), p. 10523-10529, 2014

DOI: 10.1002/ange.201402696

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Harnessing the Liquid-Phase Exfoliation of Graphene using Aliphatic Compounds: A Supramolecular Approach

This paper is available in a repository.
This paper is available in a repository.

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Abstract

The technological exploitation of the extraordinary properties of graphene relies on the ability to achieve full control over the production of a high-quality material and its processing by up-scalable approaches in order to fabricate large-area films with single-layer or a few atomic-layer thickness, which might be integrated in working devices. A simple method is reported for producing homogenous dispersions of unfunctionalized and non-oxidized graphene nanosheets in N-methyl-2-pyrrolidone (NMP) by using simple molecular modules, which act as dispersion-stabilizing compounds during the liquid-phase exfoliation (LPE) process, leading to an increase in the concentration of graphene in dispersions. The LPE-processed graphene dispersion was shown to be a conductive ink. This approach opens up new avenues for the technological applications of this graphene ink as low-cost electrodes and conducting nanocomposite for electronics.