Surface-Confined Supramolecular Self-Assembly of Molecular Nanocranes for Chemically Lifting and Positioning C 60 above a Conducting Substrate

Ping Du 1 David Kreher 2 Fabrice Mathevet 2 Pascale Maldivi 3 Fabrice Charra 4 André-Jean Attias 2
1 NJU - Nanjing University
2 LCP - Chimie des polymères
3 RICC - Reconnaissance Ionique et Chimie de Coordination
SYMMES - SYstèmes Moléculaires et nanoMatériaux pour l’Energie et la Santé : DRF/INAC/SYMMES
4 LEPO - Laboratoire d'Electronique et nanoPhotonique Organique
SPEC - UMR3680 - Service de physique de l'état condensé, IRAMIS - Institut Rayonnement Matière de Saclay
Abstract : 2D supramolecular self-assembly is a good way to form well-defined nanostructures on various substrates. One of the current challenges is to extend this approach to 3D functional building blocks. Here, we address this issue by providing a strategy for the controlled lifting and positioning of functional units above a graphitic substrate. This is the first time that multistory cyclophane-based 3D tectons incorporating C60 units have been designed and synthesized. Molecular modelling provides a description of the 3D geometries and evidences the flexible character of the building blocks. Despite this later feature, the supramolecular self-assembly of Janus tectons on HOPG yields well-ordered adlayers incorporating C60 arrays at well-defined mean distances from the surface. As our approach is not limited to C60, the results reported here open-up possibilities for applications where the topological and electronic interactions between the substrate and the functional unit are of prime importance.
Type de document :
Article dans une revue
ChemPhysChem, Wiley-VCH Verlag, 2015, 16 (18), pp.3774 - 3778. 〈10.1002/cphc.201500906〉
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https://hal-cea.archives-ouvertes.fr/cea-01483788
Contributeur : Dominique Girard <>
Soumis le : lundi 6 mars 2017 - 14:40:53
Dernière modification le : mercredi 21 mars 2018 - 18:57:09

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Ping Du, David Kreher, Fabrice Mathevet, Pascale Maldivi, Fabrice Charra, et al.. Surface-Confined Supramolecular Self-Assembly of Molecular Nanocranes for Chemically Lifting and Positioning C 60 above a Conducting Substrate. ChemPhysChem, Wiley-VCH Verlag, 2015, 16 (18), pp.3774 - 3778. 〈10.1002/cphc.201500906〉. 〈cea-01483788〉

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