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Issue 4, 2015
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Break junction under electrochemical gating: testbed for single-molecule electronics

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Abstract

Molecular electronics aims to construct functional molecular devices at the single-molecule scale. One of the major challenges is to construct a single-molecule junction and to further manipulate the charge transport through the molecular junction. Break junction techniques, including STM break junctions and mechanically controllable break junctions are considered as testbed to investigate and control the charge transport on a single-molecule scale. Moreover, additional electrochemical gating provides a unique opportunity to manipulate the energy alignment and molecular redox processes for a single-molecule junction. In this review, we start from the technical aspects of the break junction technique, then discuss the molecular structure–conductance correlation derived from break junction studies, and, finally, emphasize electrochemical gating as a promising method for the functional molecular devices.

Graphical abstract: Break junction under electrochemical gating: testbed for single-molecule electronics

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Publication details

The article was received on 16 Jul 2014 and first published on 05 Jan 2015


Article type: Tutorial Review
DOI: 10.1039/C4CS00242C
Author version available: Download Author version (PDF)
Citation: Chem. Soc. Rev., 2015,44, 889-901
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    Break junction under electrochemical gating: testbed for single-molecule electronics

    C. Huang, A. V. Rudnev, W. Hong and T. Wandlowski, Chem. Soc. Rev., 2015, 44, 889
    DOI: 10.1039/C4CS00242C

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