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Highly-effective gating of single-molecule junctions: an electrochemical approach.

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Author Baghernejad Masoud, Manrique David Zsolt, Li Chen, Pope Thomas, Zhumaev Ulmas, Pobelov Ilya, Moreno-García Pavel, Kaliginedi Veerabhadrarao, Huang Cancan, Hong Wenjing, Lambert Colin, Wandlowski Thomas,
Project Electron Transport at the Nanoscale - An Electrochemical Approach II
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Original article (peer-reviewed)

Journal Chemical communications (Cambridge, England)
Volume (Issue) 50(100)
Page(s) 15975 - 8
Title of proceedings Chemical communications (Cambridge, England)
DOI 10.1039/c4cc06519k

Abstract

We report an electrochemical gating approach with ∼100% efficiency to tune the conductance of single-molecule 4,4'-bipyridine junctions using scanning-tunnelling-microscopy break junction technique. Density functional theory calculation suggests that electrochemical gating aligns molecular frontier orbitals relative to the electrode Fermi-level, switching the molecule from an off resonance state to "partial" resonance.
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