Adsorption of a dihydro-TTF derivative on Au(111) via a thiolate bonding complex to gold adatoms
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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.
Jethwa , S J , Grillo , F , Fruchtl , H A , Simpson , G J , Treanor , M J , Schaub , R , Francis , S M , Richardson , N V & Aitken , R A 2014 , ' Adsorption of a dihydro-TTF derivative on Au(111) via a thiolate bonding complex to gold adatoms ' Chemical Communications , vol 50 , no. 70 , pp. 10140-10143 . DOI: 10.1039/c4cc04130e
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Funding: Scottish Government
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