Cover Picture: Graphene Nanoribbons by Chemists: Nanometer-Sized, Soluble, and Defect-Free (Angew. Chem. Int. Ed. 11/2011)

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Abstract

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Ironing with iron(III) chloride: A bottom-up organic synthesis in solution to synthesize defect-free graphene ribbons that cannot be obtained by top-down methods such as lithography or unzipping of carbon nanotubes is described by K. Müllen and co-workers in their Communication on page 2540 ff. Three-dimensional polyphenylene precursors with a unique kinked backbone enable full planarization into a rigid ribbon in a single reaction step. This cyclodehydrogenation is achieved by an intramolecular Scholl reaction with FeCl3.

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