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

Type of publication Peer-reviewed
Publikationsform Review article (peer-reviewed)
Author Huang Cancan, Rudnev Alexander V, Hong Wenjing, Wandlowski Thomas,
Project Electron Transport at the Nanoscale - An Electrochemical Approach II
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Review article (peer-reviewed)

Journal Chemical Society reviews
Volume (Issue) 44(4)
Page(s) 889 - 901
Title of proceedings Chemical Society reviews
DOI 10.1039/c4cs00242c

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.
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