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Spiers Memorial Lecture

Carbon nanostructures by macromolecular design – from branched polyphenylenes to nanographenes and graphene nanoribbons

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Abstract

Nanographenes (NGs) and graphene nanoribbons (GNRs) are unique connectors between the domains of 1D-conjugated polymers and 2D-graphenes. They can be synthesized with high precision by oxidative flattening processes from dendritic or branched 3D-polyphenylene precursors. Their size, shape and edge type enable not only accurate control of classical (opto)electronic properties, but also access to unprecedented high-spin structures and exotic quantum states. NGs and GNRs serve as active components of devices such as field-effect transistors and as ideal objects for nanoscience. This field of research includes their synthesis after the deposition of suitable monomers on surfaces. An additional advantage of this novel concept is in situ monitoring of the reactions by scanning tunnelling microscopy and electronic characterization of the products by scanning tunnelling spectroscopy.

Graphical abstract: Spiers Memorial Lecture Carbon nanostructures by macromolecular design – from branched polyphenylenes to nanographenes and graphene nanoribbons

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Article information


Submitted
15 Feb 2020
Accepted
03 Mar 2020
First published
05 Mar 2020

This article is Open Access

Faraday Discuss., 2021, Advance Article
Article type
Paper

Spiers Memorial Lecture

Z. Qiu, A. Narita and K. Müllen, Faraday Discuss., 2021, Advance Article , DOI: 10.1039/D0FD00023J

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