Conductance of a single flexible molecular wire composed of alternating donor and acceptor units.

ABSTRACT: Molecular-scale electronics is mainly concerned by understanding charge transport through individual molecules. A key issue here is the charge transport capability through a single--typically linear--molecule, characterized by the current decay with increasing length. To improve the conductance of individual polymers, molecular design often either involves the use of rigid ribbon/ladder-type structures, thereby sacrificing for flexibility of the molecular wire, or a zero band gap, typically associated with chemical instability. Here we show that a conjugated polymer composed of alternating donor and acceptor repeat units, synthesized directly by an on-surface polymerization, exhibits a very high conductance while maintaining both its flexible structure and a finite band gap. Importantly, e

SUBMITTER: Nacci C 

PROVIDER: S-EPMC4507002 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature