2D Self-assembled supramolecular network on a Si(111)-B surface

Bulent Baris (1) , Mohamed El Garah (1) , Frank Palmino (1) , Frederic Cherioux (1)

1 FEMTO-ST - Franche-Comté Électronique Mécanique, Thermique et Optique - Sciences et Technologies (UMR 6174)

The adsorption of tailored molecules leads to the formation of a 2D large-scale (over 250x250 nm2) supramolecular network. The atomic resolution of the Si(111)-B substrate and the submolecular resolution of the organic network is obtained on the same STM images, showing that the organic adlayer is commensurable with the substrate. The organic network is stable from 100K to 400K. The organic self-assembly is chiral. The formation of two enantiomers is observed without preference.

Domaines: Chimie organique; Chimie-Physique [physics.chem-ph]

Bulent Baris, Mohamed El Garah, Frank Palmino, Frederic Cherioux. 2D Self-assembled supramolecular network on a Si(111)-B surface. NANOSEA, Jun 2010, Cassis, France. ⟨hal-00482079⟩