Title: Interface-driven assembly of graphene based sheets: a route to 2 and 3-dimensional microstructures
Authors: Imperiali d'afflitto, Luna
Clasen, Christian
Fransaer, Jan
Macosko, Christopher M.
Vermant, Jan #
Issue Date: 29-May-2012
Conference: SoftComp Annual Meeting location:Heraklion, Greece date:28 May-2 June 2012
Abstract: Interfaces between simple fluids are explored as a suitable tool for the self-assembly of graphene and graphene oxide sheets. Studies on a planar water-air interface show that sheets assemble like tiles to form a film with monolayer thickness. The mechanical properties of these films are measured by means of shear interfacial rheology and an analysis of the buckling instability that develops in the films under compression in a Langmuir trough. These films show a high strength and elasticity both in shear and in compression/expansion. These properties are shown to be crucial in a number of applications, from the casting of thin films through the Langmuir-Blodgett technique, to the stabilization of emulsions. In particular, multiphase systems like emulsions and bijels are further explored as a tool for the self-assembly of graphene-based sheets into 3-dimensional microstructures.
Publication status: published
KU Leuven publication type: IMa
Appears in Collections:Soft Matter, Rheology and Technology Section
Surface and Interface Engineered Materials
# (joint) last author

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