Electronic properties of individual diarylethene molecules studied using scanning tunneling spectroscopy

A. Arramel, T. C. Pijper, T. Kudernac, N. Katsonis, M. van der Maas, B. L. Feringa, B. J. van Wees

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Abstract

The investigation of the electronic conduction through monosulfurdiarylethene (1S-DE) immobilized in an insulating dodecanethiol matrix on a gold surface was addressed. Scanning tunneling spectroscopy allows to probe spatially the frontier molecular orbitals of 1S-DE at 77K. We locally extracted the electronic highest occupied molecular orbital-lowest unoccupied molecular orbital gap of 1S-DE with the value of 1.56 eV. This attempt reveals the importance of scanning tunneling spectroscopy as a tool to measure the charge transport properties of diarylethene towards the realization of a switching-based molecular device.
Original languageEnglish
Article number083716
Pages (from-to)083716-1-083716-6
Number of pages6
JournalJournal of Applied Physics
Volume111
Issue number8
DOIs
Publication statusPublished - 15-Apr-2012

Keywords

  • SELF-ASSEMBLED MONOLAYERS
  • ORGANIC-MOLECULES
  • CONDUCTANCE
  • MICROSCOPY
  • INTERFACE
  • TRANSPORT
  • JUNCTION
  • SURFACE
  • METALS
  • WIRES

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