Nano Science and Technology Institute
Nanotech 2012 Vol. 1
Nanotech 2012 Vol. 1
Nanotechnology 2012: Advanced Materials, CNTs, Particles, Films and Composites (Volume 1)
Chapter 1: Nanoscale Materials Characterization

Adhesion and dynamic nanotribology of graphene in polar and non-polar liquid environments studied with ultrasonic force microscopy

Authors:B.J. Robinson, O.V. Kolosov
Affilation:Lancaster University, UK
Pages:150 - 153
Keywords:graphene, SPM, nanotribology, nanomechanics
Abstract:We report the characterisation of exfoliated few layer graphene (FLG) flakes using a range of scanning probe techniques. We have examined the nanoscale mechanical and interfacial properties of FLG and its substrate material, SiO2, in air, polar liquid (water) and non-polar liquid (dodecane) environments. We present analysis of absolute adhesion and relative friction between SPM probe and FLG and examination of surface and subsurface nanoscale structure. The understanding of the modification of the interaction of supported graphene due to different liquid environments is essential for the development of real graphene based devices e.g. rechargeable batteries, supercapacitors and displays.
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