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Article Dans Une Revue Langmuir Année : 2003

Adsorption behavior of conjugated {C}3-oligomers on Si(100) and HOPG surfaces

Résumé

A pi-conjugated {C}3h-oligomer involving three dithienylethylene branches bridged at the meta positions of a central benzenic core has been synthesized and deposited either on the Si(100) surface or on the HOPG surface. On the silicon surface, scanning tunneling microscopy allows the observation of isolated molecules. Conversely, by substituting the thiophene rings of the oligomers with alkyl chains, a spontaneous ordered film is observed on the HOPG surface. As the interaction of the oligomers is different with both surfaces, the utility of the Si(100) surface to characterize individual oligomers prior to their use into a 2D layer is discussed.
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Dates et versions

hal-00688536 , version 1 (17-04-2012)

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Gauthier Mahieu, B. Grandidier, Didier Stiévenard, Christophe Krzeminski, Christophe Delerue, et al.. Adsorption behavior of conjugated {C}3-oligomers on Si(100) and HOPG surfaces. Langmuir, 2003, 19 (8), pp.3350-3356. ⟨10.1021/la026907n⟩. ⟨hal-00688536⟩
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