Molecular electronics: Disordered molecular wires

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Abstract

We present results for the effect of diagonal disorder on the conductance of molecular wires, using a simple one-dimensional tight-binding picture. We show that diagonal disorder affects three aspects of the conductance: (i) It produces large conductance fluctuations from wire to wire. (ii) It reduces the conductance in situations where the transfer would be resonant, and enhances the conductance when transfer is nonresonant. (iii) It gives near-exponential conductance decays with wire length.

Original languageEnglish
Pages (from-to)5172-5178
Number of pages7
JournalThe Journal of Chemical Physics
Volume101
Issue number6
DOIs
Publication statusPublished - Jan 1 1994

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ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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