Functional liquid structures by emulsification of graphene and other two-dimensional nanomaterials

Large, Matthew J, Ogilvie, Sean P, Meloni, Manuela, Amorim Graf, Aline, Fratta, Giuseppe, Salvage, Jonathan, King, Alice A K and Dalton, Alan B (2017) Functional liquid structures by emulsification of graphene and other two-dimensional nanomaterials. Nanoscale. ISSN 2040-3364 (Accepted)

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Abstract

Pickering emulsions stabilised with nanomaterials provide routes to a range of functional macroscopic assemblies. We demonstrate the formation and properties of water-in-oil emulsions prepared through liquid-phase exfoliation of graphene. Due to the functional nature of the stabiliser, the emulsions exhibit conductivity due to inter-particle tunnelling. We demonstrate a strain sensing application with a large gauge factor of ~40; the highest reported in a liquid. Our methodology can be applied to other two-dimensional layered materials opening up applications such as energy storage materials, and flexible and printable electronics.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Research Centres and Groups: Materials Physics Group
Subjects: Q Science
Depositing User: Sean Paul Ogilvie
Date Deposited: 10 Oct 2017 08:47
Last Modified: 03 Nov 2017 16:23
URI: http://sro.sussex.ac.uk/id/eprint/70469

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