Versatile Polymer-Free Graphene Transfer Method and Applications
作者： Guohui Zhang , Aleix G. Güell , Paul M. Kirkman , Robert A. Lazenby , Thomas S. Miller
关键词: Graphene foam 、 Etching (microfabrication) 、 Conductive atomic force microscopy 、 Graphene 、 Layer (electronics) 、 Nanotechnology 、 Graphene nanoribbons 、 Graphene oxide paper 、 Materials science 、 Chemical vapor deposition
摘要: A new method for transferring chemical vapor deposition (CVD)-grown monolayer graphene to a variety of substrates is described. The makes use an organic/aqueous biphasic configuration, avoiding the any polymeric materials that can cause severe contamination problems. graphene-coated copper foil sample (on which was grown) sits at interface between hexane and aqueous etching solution ammonium persulfate remove copper. With aid Si/SiO2 substrate, layer then transferred second hexane/water products. From this location, CVD readily arbitrary substrates, including three-dimensional architectures as represented by atomic force microscopy (AFM) tips transmission electron (TEM) grids. Graphene produces conformal on AFM tips, very end, allowing easy production conductive imaging. TEM grids provides large...
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