Adsorption of a dihydro-TTF derivative on Au(111) via a thiolate bonding complex to gold adatoms

Siddharth Janak Jethwa, Federico Grillo, Herbert Anton Fruchtl, Grant James Simpson, Michael John Treanor, Renald Schaub, Stephen Malcolm Francis, Neville V Richardson, R Alan Aitken

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Abstract

A dihydro-TTF derivative with four acetyl-protected thiol ligands was
synthesised and adsorbed on Au(111) under UHV conditions. Scanning
Tunnelling Microscopy (STM) and Infrared (IR) spectroscopy show that self-organised structures are formed following annealing to 333 K, with each pair of bidentate thiolate ligands bonding to a single gold adatom in a S–Auad–S complex. Due to the lack of a direct orbital overlap between the dihydro-TTF moieties and the surface, relatively little charge transfer between TAT-TTF and the gold surface occurs.

Original languageEnglish
Pages (from-to)10140-10143
Number of pages4
JournalChemical Communications
Volume50
Issue number70
Early online date15 Jul 2014
DOIs
Publication statusPublished - 5 Aug 2014

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