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Effects of Electrode-Molecule Binding and Junction Geometry on the Single-Molecule Conductance of bis-2,2′:6′,2″-Terpyridine-based Complexes

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<mark>Journal publication date</mark>21/03/2016
<mark>Journal</mark>Inorganic Chemistry
Issue number6
Volume55
Number of pages10
Pages (from-to)2691-2700
Publication statusPublished
Early online date24/02/16
Original languageEnglish

Abstract

The single molecule conductances of a series of bis-2,2′:6′,2″-terpyridine complexes featuring Ru(II), Fe(II), and Co(II) metal ions and trimethylsilylethynyl (Me3SiC≡C-) or thiomethyl (MeS-) surface contact groups have been determined. In the absence of electrochemical gating, these complexes behave as tunneling barriers, with conductance properties determined more by the strength of the electrode-molecule contact and the structure of the "linker" than the nature of the metal-ion or redox properties of the complex.