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Genetically Engineered Materials Science & Engineering Center NSF-MRSEC at the University of Washington. Molecular Doping of Grahene using Engineered Peptides – Peptidoelectronics. 9. 9. ). ). W. W. (k. (k. GrBP5. GrBP5. 8. 8.

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  1. Genetically Engineered Materials Science & Engineering Center NSF-MRSEC at the University of Washington Molecular Doping of Grahene using Engineered Peptides – Peptidoelectronics 9 9 ) ) W W (k (k GrBP5 GrBP5 8 8 Raman shift Raman shift GrBP10 GrBP10 - - 1 1 (cm (cm ) ) resistance resistance Genetically selected graphite binding peptides (GrBPs) self-assemble onto graphene surfaces with specific long-range ordered nanometer-scale formations and modify its electrical properties. Graphene is readily doped with holes by the surface-bound peptides. Genetically engineered self- assembling peptides with tailored molecular architectures and corresponding electrical functionalities will open up new opportunities towards rationally designed self-assembled peptidoelectronic nanodevices able to operate under biological conditions. 7 7 Sheet Sheet 6 6 Bare Bare Graphene Graphene 5 5 - - 40 40 - - 20 20 0 0 20 20 40 40 Gate Voltage (V) Gate Voltage (V) RESEARCH Supported by NSF via GEMSEC, MRSEC at UW (DMR-0520567) Hayamizu, So, Yazici, Oren, Tamerler, Sarikaya, 2010 For more information, visit Genetically Engineered Materials Science and Engineering Center at: http://depts.washington.edu/gemsec/

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