Reproducible Measurement of Single-Molecule Conductivity

A reliable method has been developed for making through-bond electrical contacts to molecules

X. D. Cui

2002

Key concepts

Scholarcy highlights

  • A reliable method has been developed for making through-bond electrical contacts to molecules
  • Current-voltage curves are quantized as integer multiples of one fundamental curve, an observation used to identify single-molecule contacts
  • Nonbonded contacts to octanethiol monolayers were at least four orders of magnitude more resistive, less reproducible, and had a different voltage dependence, demonstrating that the measurement of intrinsic molecular properties requires chemically bonded contacts

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