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Berlin 2012 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 44: Transport: Nanoelectronics III - Molecular Electronics 2

TT 44.1: Talk

Thursday, March 29, 2012, 15:00–15:15, BH 334

Charge transport in single molecule junctions with graphene leads — •Ivan Pshenichnyuk, Susanne Leitherer, Pedro B. Coto, and Michael Thoss — Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany

High electron mobility, mechanical rigidity and optical transparency make graphene a promising candidate as material for electrodes in nanoelectronic devices. In this work, we investigate charge transport in single molecule junctions with graphene leads. The methodology used is based on a combination of first-principles electronic structure calculations to characterize the molecule-graphene junctions and the Landauer transport formalism. Considering different examples for molecular bridges between graphene electrodes, in particular pentacene-based molecules as well as polyyne chains, we analyze the transmission probability and the current-voltage characteristics.

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