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Exploiting multivalent nanoparticles for the supramolecular functionalization of graphene with a nonplanar
Fulvio G Brunetti1, Helena Isla, Juan Aragó
1IMDEA-Nanoscience, C/Faraday, 9. Ciudad Universitaria de Cantoblanco, 28049 Madrid, Spain.
Abstract:
The supramolecular modification of planar graphene with the geometrically mismatched, curved 9,10-di(1,3-dithiole-2-ylidene)-9,10-dihydroanthracene (exTTF) molecule is demonstrated. The exTTF-graphene interaction is governed by π-π and CH-π interactions, with a negligible contribution from charge transfer. We amplified these weak forces through multivalent gold nanoparticles. Our results show that planarity is not a prerequisite for recognition motifs for graphene.
