Functional Molecules for Grafting onto Ionic Surfaces
Résumé
2D adsorption of molecules on insulating surfaces is of increasing interest for future devices in emerging technologies like molecular electronics, sensors, single molecule optics, on-surface synthesis. On these substrates, however, most attempts to stabilize molecular structures have been hampered by the weak molecule-surface interactions so that there is a need to develop organic molecules bearing suitable grafting groups. Here we report the syntheses of a series of molecules designed to physisorb on alkali halide crystalline surfaces. They comprise a rigid central benzene or triphenylene core bearing two, respectively six, alkyl ether chains ended by various anchoring groups: cyano, carboxylic, α-aminoacid and 1,2,3 triazole.
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