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

Matthew Large, Sean Ogilvie, Manuela Meloni, Aline Amorim Graf, Giuseppe Fratta, Jonathan Salvage, Alice King, Alan Dalton

Research output: Contribution to journalArticle

Abstract

Pickering emulsions stabilised with nanomaterials provide routesto a range of functional macroscopic assemblies. We demonstratethe formation and properties of water-in-oil emulsions preparedthrough liquid-phase exfoliation of graphene. Due to the functionalnature of the stabiliser, the emulsions exhibit conductivitydue to inter-particle tunnelling. We demonstrate a strain sensingapplication with a large gauge factor of ∼40; the highest reportedin a liquid. Our methodology can be applied to other two-dimensionallayered materials opening up applications such as energystorage materials, and flexible and printable electronics.
Original languageEnglish
JournalNanoscale
DOIs
Publication statusPublished - 9 Jan 2018

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Emulsification
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Emulsions
Nanostructured materials
Liquids
Gages
Oils
Electronic equipment
Water

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Large, Matthew ; Ogilvie, Sean ; Meloni, Manuela ; Amorim Graf, Aline ; Fratta, Giuseppe ; Salvage, Jonathan ; King, Alice ; Dalton, Alan. / Functional liquid structures by emulsification of graphene and other two-dimensional nanomaterials. In: Nanoscale. 2018.
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Functional liquid structures by emulsification of graphene and other two-dimensional nanomaterials. / Large, Matthew; Ogilvie, Sean; Meloni, Manuela; Amorim Graf, Aline; Fratta, Giuseppe; Salvage, Jonathan; King, Alice; Dalton, Alan.

In: Nanoscale, 09.01.2018.

Research output: Contribution to journalArticle

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AU - Large, Matthew

AU - Ogilvie, Sean

AU - Meloni, Manuela

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AU - Fratta, Giuseppe

AU - Salvage, Jonathan

AU - King, Alice

AU - Dalton, Alan

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AB - Pickering emulsions stabilised with nanomaterials provide routesto a range of functional macroscopic assemblies. We demonstratethe formation and properties of water-in-oil emulsions preparedthrough liquid-phase exfoliation of graphene. Due to the functionalnature of the stabiliser, the emulsions exhibit conductivitydue to inter-particle tunnelling. We demonstrate a strain sensingapplication with a large gauge factor of ∼40; the highest reportedin a liquid. Our methodology can be applied to other two-dimensionallayered materials opening up applications such as energystorage materials, and flexible and printable electronics.

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