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Schendel V, Borca B, Pentegov I, et al. Remotely Controlled Isomer Selective Molecular Switching. Nano Lett. 2015;16(1):93-7doi: 10.1021/acs.nanolett.5b02974.
Schendel, V., Borca, B., Pentegov, I., Michnowicz, T., Kraft, U., Klauk, H., Wahl, P., Schlickum, U., & Kern, K. (2016). Remotely Controlled Isomer Selective Molecular Switching. Nano letters, 16(1), 93-7. https://doi.org/10.1021/acs.nanolett.5b02974
Schendel, Verena, et al. "Remotely Controlled Isomer Selective Molecular Switching." Nano letters vol. 16,1 (2016): 93-7. doi: https://doi.org/10.1021/acs.nanolett.5b02974
Schendel V, Borca B, Pentegov I, Michnowicz T, Kraft U, Klauk H, Wahl P, Schlickum U, Kern K. Remotely Controlled Isomer Selective Molecular Switching. Nano Lett. 2016 Jan 13;16(1):93-7. doi: 10.1021/acs.nanolett.5b02974. Epub 2015 Dec 04. PMID: 26619213.
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Nano Lett. 2016 Jan 13;16(1):93-7. doi: 10.1021/acs.nanolett.5b02974. Epub 2015 Dec 04.

Remotely Controlled Isomer Selective Molecular Switching.

Nano letters

Verena Schendel, Bogdana Borca, Ivan Pentegov, Tomasz Michnowicz, Ulrike Kraft, Hagen Klauk, Peter Wahl, Uta Schlickum, Klaus Kern

Affiliations

  1. Max Planck Institute for Solid State Research, Stuttgart, Germany.
  2. SUPA, School of Physics and Astronomy, University of St. Andrews , St. Andrews, Scotland, United Kingdom.
  3. Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.

PMID: 26619213 DOI: 10.1021/acs.nanolett.5b02974

Abstract

Nonlocal addressing-the "remote control"-of molecular switches promises more efficient processing for information technology, where fast speed of switching is essential. The surface state of the (111) facets of noble metals, a confined two-dimensional electron gas, provides a medium that enables transport of signals over large distances and hence can be used to address an entire ensemble of molecules simultaneously with a single stimulus. In this study we employ this characteristic to trigger a conformational switch in anthradithiophene (ADT) molecules by injection of hot carriers from a scanning tunneling microscope (STM) tip into the surface state of Cu(111). The carriers propagate laterally and trigger the switch in molecules at distances as far as 100 nm from the tip location. The switching process is shown to be long-ranged, fully reversible, and isomer selective, discriminating between cis and trans diastereomers, enabling maximum control.

Keywords: Molecular switches; STM; nonlocal reactions; organic−metal interface; surface state

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