Preferential binding of peptides to graphene edges and planes |
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Authors: | Kim Sang N Kuang Zhifeng Slocik Joseph M Jones Sharon E Cui Yue Farmer Barry L McAlpine Michael C Naik Rajesh R |
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Institution: | Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson Air Force Base, Ohio 45433, USA. |
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Abstract: | Peptides identified from combinatorial peptide libraries have been shown to bind to a variety of abiotic surfaces. Biotic-abiotic interactions can be exploited to create hybrid materials with interesting electronic, optical, or catalytic properties. Here we show that peptides identified from a combinatorial phage display peptide library assemble preferentially to the edge or planar surface of graphene and can affect the electronic properties of graphene. Molecular dynamics simulations and experiments provide insight into the mechanism of peptide binding to the graphene edge. |
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