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Bottom-Up Fabrication of Atomically Precise Graphene Nanoribbons (Book chapter)

Authors: --- ---
Book Series: Advanced in Atom and Single Molecule Machines ISBN: 9783319758107 9783319758107 Year: Pages: 40 Language: English
Publisher: Springer Grant: H2020 European Research Council - 635919
Subject: Environmental Technology
Added to DOAB on : 2018-07-18 11:01:02
License: Springer

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Abstract

Graphene nanoribbons (GNRs) make up an extremely interesting class of
materials. On the one hand GNRs share many of the superlative properties of
graphene, while on the other hand they display an exceptional degree of tunability
of their optoelectronic properties. The presence or absence of correlated
low-dimensional magnetism, or of a widely tunable band gap, is determined by the
boundary conditions imposed by the width, crystallographic symmetry and edge
structure of the nanoribbons. In combination with additional controllable parameters
like the presence of heteroatoms, tailored strain, or the formation of
heterostructures, the possibilities to shape the electronic properties of GNRs
according to our needs are fantastic. However, to really benefit from that tunability
and harness the opportunities offered by GNRs, atomic precision is strictly required
in their synthesis. This can be achieved through an on-surface synthesis approach,
in which one lets appropriately designed precursor molecules to react in a selective
way that ends up forming GNRs. In this chapter we review the structure-property
relations inherent to GNRs, the synthesis approach and the ways in which the varied
properties of the resulting ribbons have been probed, finalizing with selected
examples of demonstrated GNR applications.

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