Bioelectronic interfaces by spontaneously organized peptides on 2D atomic single layer materials.

Abstract:

:Self-assembly of biological molecules on solid materials is central to the "bottom-up" approach to directly integrate biology with electronics. Inspired by biology, exquisite biomolecular nanoarchitectures have been formed on solid surfaces. We demonstrate that a combinatorially-selected dodecapeptide and its variants self-assemble into peptide nanowires on two-dimensional nanosheets, single-layer graphene and MoS2. The abrupt boundaries of nanowires create electronic junctions via spatial biomolecular doping of graphene and manifest themselves as a self-assembled electronic network. Furthermore, designed peptides form nanowires on single-layer MoS2 modifying both its electric conductivity and photoluminescence. The biomolecular doping of nanosheets defined by peptide nanostructures may represent the crucial first step in integrating biology with nano-electronics towards realizing fully self-assembled bionanoelectronic devices.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Hayamizu Y,So CR,Dag S,Page TS,Starkebaum D,Sarikaya M

doi

10.1038/srep33778

subject

Has Abstract

pub_date

2016-09-22 00:00:00

pages

33778

issn

2045-2322

pii

srep33778

journal_volume

6

pub_type

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