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Tailoring Magnetic Features in Zigzag-Edged Nanographenes by Controlled Diels–Alder Reactions

Ajayakumar, M.; Fu, Y.; Liu, F.; Komber, H.; Tkachova, V.; Xu, Chi; Zhou, Shengqiang; Popov, A.; Liu, J.; Feng, X.


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  <identifier identifierType="DOI">10.14278/rodare.344</identifier>
  <creators>
    <creator>
      <creatorName>Ajayakumar, M.</creatorName>
      <givenName>M.</givenName>
      <familyName>Ajayakumar</familyName>
      <affiliation>Center for Advancing Electronics Dresden (cfaed) &amp;, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany</affiliation>
    </creator>
    <creator>
      <creatorName>Fu, Y.</creatorName>
      <givenName>Y.</givenName>
      <familyName>Fu</familyName>
      <affiliation>Center for Advancing Electronics Dresden (cfaed) &amp;, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany</affiliation>
    </creator>
    <creator>
      <creatorName>Liu, F.</creatorName>
      <givenName>F.</givenName>
      <familyName>Liu</familyName>
      <affiliation>Leibniz Institute for Solid State and Materials Research, Helmholtzstraße 20, 01069, Dresden, Germany</affiliation>
    </creator>
    <creator>
      <creatorName>Komber, H.</creatorName>
      <givenName>H.</givenName>
      <familyName>Komber</familyName>
      <affiliation>Leibniz-Institut für Polymerforschung Dresden e. V., Hohe Straße 6, 01069, Dresden, Germany</affiliation>
    </creator>
    <creator>
      <creatorName>Tkachova, V.</creatorName>
      <givenName>V.</givenName>
      <familyName>Tkachova</familyName>
      <affiliation>Center for Advancing Electronics Dresden (cfaed) &amp;, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany</affiliation>
    </creator>
    <creator>
      <creatorName>Xu, Chi</creatorName>
      <givenName>Chi</givenName>
      <familyName>Xu</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-1299-7667</nameIdentifier>
    </creator>
    <creator>
      <creatorName>Zhou, Shengqiang</creatorName>
      <givenName>Shengqiang</givenName>
      <familyName>Zhou</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-4885-799X</nameIdentifier>
    </creator>
    <creator>
      <creatorName>Popov, A.</creatorName>
      <givenName>A.</givenName>
      <familyName>Popov</familyName>
      <affiliation>Leibniz Institute for Solid State and Materials Research, Helmholtzstraße 20, 01069, Dresden, Germany</affiliation>
    </creator>
    <creator>
      <creatorName>Liu, J.</creatorName>
      <givenName>J.</givenName>
      <familyName>Liu</familyName>
      <affiliation>Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, 999077, Hong Kong, P. R. China</affiliation>
    </creator>
    <creator>
      <creatorName>Feng, X.</creatorName>
      <givenName>X.</givenName>
      <familyName>Feng</familyName>
      <affiliation>Center for Advancing Electronics Dresden (cfaed) &amp;, Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Mommsenstrasse 4, 01062, Dresden, Germany</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Tailoring Magnetic Features in Zigzag-Edged Nanographenes by Controlled Diels–Alder Reactions</title>
  </titles>
  <publisher>Rodare</publisher>
  <publicationYear>2020</publicationYear>
  <dates>
    <date dateType="Issued">2020-05-25</date>
  </dates>
  <resourceType resourceTypeGeneral="Dataset"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://rodare.hzdr.de/record/344</alternateIdentifier>
  </alternateIdentifiers>
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    <relatedIdentifier relatedIdentifierType="URL" relationType="IsReferencedBy">https://www.hzdr.de/publications/Publ-31068</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsIdenticalTo">https://www.hzdr.de/publications/Publ-31366</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.14278/rodare.343</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://rodare.hzdr.de/communities/rodare</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;Nanographenes (NGs) with tunable electronic and magnetic properties have attracted enormous attention in the realm of carbon-based nanoelectronics. In particular, NGs with biradical character at the ground state are promising building units for molecular spintronics. However, most of the biradicaloids are susceptible to oxidation under ambient conditions and photolytic degradation, which hamper their further applications. Herein, we demonstrated the feasibility of tuning the magnetic properties of zigzag-edged NGs in order to enhance their stability via the controlled Diels&amp;ndash;Alder reactions of peri-tetracene (4-PA). The unstable 4-PA (y0=0.72; half-life, t1/2=3 h) was transformed into the unprecedented benzo-peri-tetracenes (BPTs) by a one-side Diels&amp;ndash;Alder reaction, which featured a biradical character at the ground state (y0=0.60) and exhibited remarkable stability under ambient conditions for several months. In addition, the fully zigzag-edged circumanthracenes (CAs) were achieved by two-fold or stepwise Diels&amp;ndash;Alder reactions of 4-PA, in which the magnetic properties could be controlled by employing the corresponding dienophiles. Our work reported herein opens avenues for the synthesis of novel zigzag-edged NGs with tailor-made magnetic properties.&lt;/p&gt;</description>
  </descriptions>
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