Dr Ross Davidson ross.davidson@durham.ac.uk
Academic Visitor
Conductance of ‘bare-bones’ tripodal molecular wires
Davidson, Ross J.; Milan, David C.; Al-Owaedi, Oday A.; Ismael, Ali K.; Nichols, Richard J.; Higgins, Simon J.; Lambert, Colin J.; Yufit, Dmitry S.; Beeby, Andrew
Authors
David C. Milan
Oday A. Al-Owaedi
Ali K. Ismael
Richard J. Nichols
Simon J. Higgins
Colin J. Lambert
Dr Dmitry Yufit d.s.yufit@durham.ac.uk
Academic Visitor
Professor Andrew Beeby andrew.beeby@durham.ac.uk
Professor
Abstract
Controlling the orientation of molecular conductors on the electrode surfaces is a critical factor in the development of single-molecule conductors. In the current study, we used the scanning tunnelling microscopy-based break junction (STM-BJ) technique to explore ‘bare-bones’ tripodal molecular wires, employing different anchor groups (AGs) at the ‘top’ and ‘bottom’ of the tripod. The triarylphosphine tris(4-(methylthio)phenyl)phosphine and its corresponding phosphine sulfide showed only a single high conductance feature in the resulting 1- and 2-dimensional conductance histograms, whereas analogous molecules with fewer than three thiomethyl AGs did not show clear conductance features. Thus, by systematic molecular modifications and with the aid of supporting DFT calculations, the binding geometry, with respect to the surface, was elucidated.
Citation
Davidson, R. J., Milan, D. C., Al-Owaedi, O. A., Ismael, A. K., Nichols, R. J., Higgins, S. J., …Beeby, A. (2018). Conductance of ‘bare-bones’ tripodal molecular wires. RSC Advances, 8(42), 23585-23590. https://doi.org/10.1039/c8ra01257a
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 18, 2018 |
Online Publication Date | Jun 28, 2018 |
Publication Date | Jun 28, 2018 |
Deposit Date | Jun 24, 2018 |
Publicly Available Date | Jun 25, 2018 |
Journal | RSC Advances |
Publisher | Royal Society of Chemistry |
Peer Reviewed | Peer Reviewed |
Volume | 8 |
Issue | 42 |
Pages | 23585-23590 |
DOI | https://doi.org/10.1039/c8ra01257a |
Public URL | https://durham-repository.worktribe.com/output/1328440 |
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Copyright Statement
This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
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