Control of long-distance motion of single molecules on a surface

Author:

Civita Donato1ORCID,Kolmer Marek2ORCID,Simpson Grant J.1ORCID,Li An-Ping2ORCID,Hecht Stefan345ORCID,Grill Leonhard1ORCID

Affiliation:

1. Department of Physical Chemistry, University of Graz, Heinrichstrasse 28, 8010 Graz, Austria.

2. Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.

3. Department of Chemistry and IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany.

4. DWI -Leibniz Institute for Interactive Materials, Forckenbeckstr. 50, 52074 Aachen, Germany.

5. Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringer Weg 2, 52074 Aachen, Germany.

Abstract

Telegraphing molecules Scanning tunneling microscope (STM) tips have long been used to manipulate atoms and molecules through direct interactions. Civita et al. now show that at cryogenic temperatures, the bias voltage from an STM tip can propel a large organic molecule, dibromoterfluorene, long distances—tens of nanometers along straight tracks on the flat silver (111) surface (see the Perspective by Esch and Lechner). This electrostatic effect requires the molecule to be oriented along the track, and derivatives lacking bromide groups would change direction. In a dual-tip setup, changing the bias voltage sent and received molecules between two specific points about 60 nanometers apart. Science , this issue p. 957 ; see also p. 912

Funder

European Commission

Doc Academy NanoGraz

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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