Dependence of single-molecule conductance on molecule junction symmetry

Masateru Taniguchi, Makusu Tsutsui, Ryoji Mogi, Tadashi Sugawara, Yuta Tsuji, Kazunari Yoshizawa, Tomoji Kawai

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

The symmetry of a molecule junction has been shown to play a significant role in determining the conductance of the molecule, but the details of how conductance changes with symmetry have heretofore been unknown. Herein, we investigate a naphthalenedithiol single-molecule system in which sulfur atoms from the molecule are anchored to two facing gold electrodes. In the studied system, the highest single-molecule conductance, for a molecule junction of 1,4-symmetry, is 110 times larger than the lowest single-molecule conductance, for a molecule junction of 2,7-symmetry. We demonstrate clearly that the measured dependence of molecule junction symmetry for single-molecule junctions agrees with theoretical predictions.

Original languageEnglish
Pages (from-to)11426-11429
Number of pages4
JournalJournal of the American Chemical Society
Volume133
Issue number30
DOIs
Publication statusPublished - Aug 3 2011

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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