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American Chemical Society, Journal of Physical Chemistry C, 14(114), p. 6503-6510, 2010

DOI: 10.1021/jp911839b

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Growth and Structure of Self-assembled Monolayers of a TTF Derivative on Au(111)

Journal article published in 2010 by Christian Urban, David Écija, David Écija ORCID, Yang Wang, Marta Trelka, Iulian Preda, Antje Vollmer, Nicolás Lorente, Andrés Arnau, Manuel Alcamí, Leonardo Soriano, Nazario Martín ORCID, Fernando Martín ORCID, Roberto Otero, José M Gallego and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Abstract

The adsorption of a TTF derivative (2-[9-(1,3-dithiol-2-ylidene)anthracen-10(9H)-ylidene]-1,3-dithiole, exTTF) on Au(111) has been studied by a combination of scanning tunneling microscopy, photoelectron spectroscopy, and theoretical calculations. The results indicate that the molecule−substrate interaction is dominated by the S−Au bonds. However, due to conformational reasons, only one of the two dithiole rings is in close contact with the surface. As a consequence, the interaction with the Au surface is much smaller (less than half) the interaction of TTF with Au(111), where the four sulfur atoms are in direct contact.