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

Lookup NU author(s): Dr Thomas PopeORCiD

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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.

Publication metadata

Author(s): Baghernejad M, Manrique DZ, Li C, Pope T, Zhumaev U, Pobelov I, Moreno-García P, Kaliginedi V, Huang C, Hong W, Lambert CJ, Wandlowski T

Publication type: Article

Publication status: Published

Journal: Chemical Communications

Year: 2014

Volume: 50

Issue: 100

Pages: 15975–15978

Print publication date: 04/11/2014

Online publication date: 04/11/2014

Acceptance date: 04/11/2014

ISSN (print): 1359-7345

ISSN (electronic): 1364-548X

Publisher: Royal Society of Chemistry

URL: http://dx.doi.org/10.1039/C4CC06519K

DOI: 10.1039/C4CC06519K

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