Simplifying the conductance profiles of molecular junctions: the use of the trimethylsilylethynyl moiety as a molecule-gold contact

Marqués-González, S; Yufit, DS; Howard, JAK; Martin, S; Osorio, HM; Garcia-Suarez, VM; Nichols, RJ; Higgins, SJ; Cea, P; Low, PJ

doi:10.1039/c2dt31825c

Simplifying the conductance profiles of molecular junctions: the use of the trimethylsilylethynyl moiety as a molecule-gold contact

Marqués-González, S; Yufit, DS; Howard, JAK; Martin, S; Osorio, HM; Garcia-Suarez, VM; Nichols, RJ; Higgins, SJ; Cea, P; Low, PJ

Authors

S Marqués-González

DS Yufit

JAK Howard

S Martin

HM Osorio

VM Garcia-Suarez

RJ Nichols

SJ Higgins

P Cea

PJ Low

Abstract

Conductance across a metal|molecule|metal junction is strongly influenced by the molecule–substrate contacts, and for a given molecular structure, multiple conductance values are frequently observed and ascribed to distinct binding modes of the contact at each of the molecular termini. Conjugated molecules containing a trimethylsilylethynyl terminus, –CCSiMe3 give exclusively a single conductance value in I(s) measurements on gold substrates, the value of which is similar to that observed for the same molecular backbone with thiol and amine based contacting groups when bound to under-coordinated surface sites.

Citation

Marqués-González, S., Yufit, D., Howard, J., Martin, S., Osorio, H., Garcia-Suarez, V., …Low, P. (2013). Simplifying the conductance profiles of molecular junctions: the use of the trimethylsilylethynyl moiety as a molecule-gold contact. Dalton Transactions, 42(2), 338-341. https://doi.org/10.1039/c2dt31825c

Journal Article Type	Article
Acceptance Date	Oct 9, 2012
Online Publication Date	Oct 29, 2012
Publication Date	Jan 1, 2013
Deposit Date	Aug 13, 2013
Publicly Available Date	Aug 15, 2013
Journal	Dalton Transactions
Print ISSN	1477-9226
Electronic ISSN	1477-9234
Publisher	Royal Society of Chemistry
Peer Reviewed	Peer Reviewed
Volume	42
Issue	2
Pages	338-341
DOI	https://doi.org/10.1039/c2dt31825c