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Organic molecule assembled between carbon nanotubes: A highly efficient switch device

Authors
Journal
Physical Review B
1098-0121
Publisher
American Physical Society
Publication Date
Keywords
  • Carbon Nanotubes
  • Microswitches
  • Molecular Configurations
  • Molecular Electronics
  • Nanotube Devices
  • Organic Compounds
  • Single
  • Pseudopotentials
  • Physics
  • Condensed Matter
Disciplines
  • Design

Abstract

We report a highly efficient switch built from an organic molecule assembled between single-wall carbon nanotube electrodes. We theoretically show that changes in the distance between the electrodes alter the molecular conformation within the gap, affecting in a dramatic way the electronic and charge transport properties, with an on/off ratio larger than 300. This opens up the perspective of combining molecular electronics with carbon nanotubes, bringing great possibilities for the design of nanodevices.

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