NDLI: Synthesis of structurally well-defined and liquid-phase-processable graphene nanoribbons.

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Synthesis of structurally well-defined and liquid-phase-processable graphene nanoribbons.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Narita, Akimitsu Feng, Xinliang Hernandez, Yenny Jensen, Søren A. Bonn, Mischa Yang, Huafeng Verzhbitskiy, Ivan A. Casiraghi, Cinzia Hansen, Michael Ryan Koch, Amelie H. R. Fytas, George Ivasenko, Oleksandr Li, Bing Mali, Kunal S. Balandina, Tatyana Mahesh, Sankarapillai De Feyter, Steven Müllen, Klaus
Description	Country affiliation: Germany Author Affiliation: Narita A ( Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany.); Feng X ( Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany.); Hernandez Y ( Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany.); Jensen SA ( 1] Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany [2] FOM Institute AMOLF, Science Park 104, 1098 XG Amsterdam, The Netherlands.); Bonn M ( Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany.); Yang H ( School of Chemistry and Photon Science Institute, Manchester University, Oxford Road, Manchester, M139PL, UK.); Verzhbitskiy IA ( Department of Physics, Free University Berlin, Arnimalle 14, 14195 Berlin, Germany.); Casiraghi C ( 1] School of Chemistry and Photon Science Institute, Manchester University, Oxford Road, Manchester, M139PL, UK [2] Department of Physics, Free University Berlin, Arnimalle 14, 14195 Berlin, Germany.); Hansen MR ( 1] Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany [2] Interdisciplinary Nanoscience Center (iNANO) and Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark.); Koch AH ( Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany.); Fytas G ( 1] Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany [2] Department of Materials Science, University of Crete and FORTH, Heraklion, Greece.); Ivasenko O ( Division of Molecular Imaging and Photonics, Department of Chemistry, KU Leuven Celestijnenlaan, 200 F, B-3001 Leuven, Belgium.); Li B ( Division of Molecular Imaging and Photonics, Department of Chemistry, KU Leuven Celestijnenlaan, 200 F, B-3001 Leuven, Belgium.); Mali KS ( Division of Molecular Imaging and Photonics, Department of Chemistry, KU Leuven Celestijnenlaan, 200 F, B-3001 Leuven, Belgium.); Balandina T ( Division of Molecular Imaging and Photonics, Department of Chemistry, KU Leuven Celestijnenlaan, 200 F, B-3001 Leuven, Belgium.); Mahesh S ( Division of Molecular Imaging and Photonics, Department of Chemistry, KU Leuven Celestijnenlaan, 200 F, B-3001 Leuven, Belgium.); De Feyter S ( Division of Molecular Imaging and Photonics, Department of Chemistry, KU Leuven Celestijnenlaan, 200 F, B-3001 Leuven, Belgium.); Müllen K ( Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany.)
Abstract	The properties of graphene nanoribbons (GNRs) make them good candidates for next-generation electronic materials. Whereas 'top-down' methods, such as the lithographical patterning of graphene and the unzipping of carbon nanotubes, give mixtures of different GNRs, structurally well-defined GNRs can be made using a 'bottom-up' organic synthesis approach through solution-mediated or surface-assisted cyclodehydrogenation reactions. Specifically, non-planar polyphenylene precursors were first 'built up' from small molecules, and then 'graphitized' and 'planarized' to yield GNRs. However, fabrication of processable and longitudinally well-extended GNRs has remained a major challenge. Here we report a bottom-up solution synthesis of long (>200 nm) liquid-phase-processable GNRs with a well-defined structure and a large optical bandgap of 1.88 eV. Self-assembled monolayers of GNRs can be observed by scanning probe microscopy, and non-contact time-resolved terahertz conductivity measurements reveal excellent charge-carrier mobility within individual GNRs. Such structurally well-defined GNRs may prove useful for fundamental studies of graphene nanostructures, as well as the development of GNR-based nanoelectronics.
File Format	HTM / HTML
ISSN	17554330
Issue Number	2
Volume Number	6
e-ISSN	17554349
Journal	Nature Chemistry
Language	English
Publisher	Nature Publishing Group
Publisher Date	2014-02-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Chemistry Graphite Chemistry Nanotubes, Carbon Cycloaddition Reaction Electrons Microscopy, Atomic Force Ultrastructure Polymerization Polymers Quantum Theory Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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