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Issue 3, 2006
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Self-organized nanofibers from a giant nanographene: effect of solvent and deposition method

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Abstract

We describe the synthesis of the to-date largest soluble nanographene molecule containing 132 carbons in its core and the Scanning Force Microscopy investigation on its self-organization into supramolecular fibers. This alkylated polycyclic aromatic hydrocarbon can grow from solution on solid substrates into fibrils with a length of several micrometers and a cross section of about 16 nm. Making use of different solvents and deposition methods it was possible to achieve a control over the interplay between dewetting and intermolecular π–π stacking, promoting the formation of thermodynamically favoured regular fibrils on mica. On the other hand, under kinetically controlled film growth the formation of ordered supramolecular arrangements at surfaces was hampered. These fibril nanostructures may be useful in the future for the fabrication of molecular nanowires.

Graphical abstract: Self-organized nanofibers from a giant nanographene: effect of solvent and deposition method

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Supplementary files

Article information


Submitted
26 Aug 2005
Accepted
10 Oct 2005
First published
02 Nov 2005

J. Mater. Chem., 2006,16, 266-271
Article type
Paper

Self-organized nanofibers from a giant nanographene: effect of solvent and deposition method

V. Palermo, S. Morelli, C. Simpson, K. Müllen and P. Samorì, J. Mater. Chem., 2006, 16, 266
DOI: 10.1039/B512137J

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