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Corrugated C-based nanostructures

Starting from buckyball shaped Br-corannulene molecules, corrugated C-based nanostructures -in which the natural concavity of the precursor molecule is maintained- are formed on Ag(110). This article is part of the themed collection: 2018 PCCP HOT Articles

Phys. Chem. Chem. Phys., 2018
DOI10.1039/C8CP04791J

We have studied the self-assembly and oligomerization of  Br-corannulene (C20H9Br) on Ag(110). We find that C20H9Br monomers can be catalytically dimerized on a noble metal substrate, forming dimeric organometallic structures already at room temperature.
Extended 1D, covalently bound C-based nanostructures with corrugated ribbon-shape can be formed upon annealing. These results indicate that the controlled growth of low-dimension carbon based structures, such as graphene with topological defects can be achieved by surface-assisted polymerization of functionalized, non-planar polyaromatic molecules.
More details in the publication. DOI10.1039/C8CP04791J

This article is part of the themed collection: 2018 PCCP HOT Articles

 

This work was supported by the Italian MIUR through the national grant Futuro in ricerca 2012 RBFR128BEC ‘‘Beyond graphene: tailored C-layers for novel catalytic materials and green chemistry’’

 

EUROFEL project (RoadMap Esfri) and “Progetto Premiale 2012”–Project ABNANOTECH. 

Synthesis of corrugated C-based nanostructures by Br-corannulene oligomerization

Phys. Chem. Chem. Phys., 2018,20, 26161-26172
DOI10.1039/C8CP04791J

Last Updated on Wednesday, 12 December 2018 12:58