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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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Article information


Submitted
16 Jul 2014
First published
05 Jan 2015

Chem. Soc. Rev., 2015,44, 889-901
Article type
Tutorial Review
Author version available

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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