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Fast and controllable fabrication of suspended graphene nanopore devices.
Nanotechnology
March 2012
State Key Laboratory for Mesoscopic Physics, and Electron Microscopy Laboratory, School of Physics, Peking University, Beijing, People's Republic of China.
A poly(methyl methacrylate) assisted dry transfer method was developed to transfer graphene microflake onto a suspended SiN chip in an effective and efficient way for further graphene nanopore drilling for DNA analysis. Graphene microflakes can be patterned by e-beam lithography to a designed shape and size on a large scale of a few thousands simultaneously. Subsequently, individual graphene microflakes can be picked up and transferred to a target hole on a suspended SiN membrane with 1 µm precision via a site-specific transfer-printing method.
View Article and Find Full Text PDFSite-specific transfer-printing of individual graphene microscale patterns to arbitrary surfaces.
Adv Mater
September 2011
State Key Laboratory for Mesoscopic Physics, Department of Physics, Peking University, Beijing, PR China.
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