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Exploration of pyra...
Exploration of pyrazine-embedded antiaromatic polycyclic hydrocarbons generated by solution and on-surface azomethine ylide homocoupling
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- Wang, Xiao-Ye (author)
- Max Planck Institute Polymer Research, Germany
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- Richter, Marcus (author)
- Technical University of Dresden, Germany
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- He, Yuanqin (author)
- Technical University of Munich, Germany
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- Björk, Jonas (author)
- Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten
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- Riss, Alexander (author)
- Technical University of Munich, Germany
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- Rajesh, Raju (author)
- Max Planck Institute Polymer Research, Germany
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- Garnica, Manuela (author)
- Technical University of Munich, Germany
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- Hennersdorf, Felix (author)
- Technical University of Dresden, Germany
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- Weigand, Jan J. (author)
- Technical University of Dresden, Germany
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- Narita, Akimitsu (author)
- Max Planck Institute Polymer Research, Germany
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- Berger, Reinhard (author)
- Technical University of Dresden, Germany
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- Feng, Xinliang (author)
- Technical University of Dresden, Germany
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- Auwaerter, Willi (author)
- Technical University of Munich, Germany
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- Barth, Johannes V. (author)
- Technical University of Munich, Germany
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- Palma, Carlos-Andres (author)
- Technical University of Munich, Germany
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- Muellen, Klaus (author)
- Max Planck Institute Polymer Research, Germany
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(creator_code:org_t)
- 2017-12-05
- 2017
- English.
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In: Nature Communications. - : NATURE PUBLISHING GROUP. - 2041-1723. ; 8
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Abstract
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- Nanographenes, namely polycyclic aromatic hydrocarbons (PAHs) with nanoscale dimensions (amp;gt;1 nm), are atomically precise cutouts from graphene. They represent prime models to enhance the scope of chemical and physical properties of graphene through structural modulation and functionalization. Defined nitrogen doping in nanographenes is particularly attractive due to its potential for increasing the number of p-electrons, with the possibility of introducing localized antiaromatic ring elements. Herein we present azomethine ylide homocoupling as a strategy to afford internally nitrogen-doped, non-planar PAH in solution and planar nanographene on surfaces, with central pyrazine rings. Localized antiaromaticity of the central ring is indicated by optical absorption spectroscopy in conjunction with theoretical calculations. Our strategy opens up methods for chemically tailoring graphene and nanographenes, modified by antiaromatic dopants.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Wang, Xiao-Ye
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Richter, Marcus
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He, Yuanqin
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Björk, Jonas
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Riss, Alexander
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Rajesh, Raju
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show more...
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Garnica, Manuela
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Hennersdorf, Fel ...
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Weigand, Jan J.
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Narita, Akimitsu
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Berger, Reinhard
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Feng, Xinliang
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Auwaerter, Willi
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Barth, Johannes ...
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Palma, Carlos-An ...
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Muellen, Klaus
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Nature Communica ...
- By the university
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Linköping University