{"id":3119,"date":"2021-12-01T10:47:02","date_gmt":"2021-12-01T09:47:02","guid":{"rendered":"http:\/\/userpage.fu-berlin.de\/~eigler\/?page_id=3119"},"modified":"2026-08-22T14:25:33","modified_gmt":"2026-08-22T12:25:33","slug":"alexander-krappe","status":"publish","type":"page","link":"https:\/\/userpage.fu-berlin.de\/~eigler\/home\/home\/alexander-krappe\/","title":{"rendered":"Alexander Krappe (M.Sc.)"},"content":{"rendered":"\n

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Freie Universit\u00e4t Berlin (FU-Berlin)
Institut f\u00fcr Chemie und Biochemie (SupraFAB)
Altensteinstra\u00dfe 23A
D-14195 Berlin, Germany
Office: 208<\/p>\n\n\n\n

Mail: alexander.krappe@fu-berlin.de<\/a>
Phone: +49 (0) 30 838 60248<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n

<\/span>
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Scientific<\/h2>\n\n\n\n

Zur Synthese und Reaktivit\u00e4t phosphininbasierter, polycyclischer aromatischer Kohlenwasserstoffe<\/em><\/em><\/p>Master Thesis<\/cite><\/blockquote><\/figure>\n\n\n\n

Synthese N<\/em>-funktionalisierter TCNQ-Derivate mit hohem Dipolmoment<\/em><\/em><\/p>Bachelor Thesis<\/cite><\/blockquote><\/figure>\n\n\n\n

Research Topics<\/h4>\n\n\n\n
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Extended \u03c0-Systems<\/h4>\n<\/div><\/div>\n<\/div>\n\n\n\n
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Novel Functionalized Graphene Derivatives and Hybrid Structures<\/h4>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n

Curriculum Vitae<\/h2>\n\n\n\n
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since 12\/2021<\/p>\n\n\n\n

Doctoral Candidate, FU Berlin, Germany<\/p>\n<\/div>\n\n\n\n

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2019-2021<\/p>\n\n\n\n

Master Studies of Chemistry at FU Berlin, Germany<\/p>\n<\/div>\n\n\n\n

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2014-2019<\/p>\n\n\n\n

Bachelor Studies of Chemistry at FU Berlin, Germany<\/p>\n<\/div>\n\n\n\n

Publications<\/strong><\/h2>\n\n\n\n
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  1. L. M. Filla, A. R. Krappe<\/strong>, J. C. Mayer, J. M. S\u00fchlo, L. S. Eitelhuber, A. Wiesner, L. Polewski, U. Resch-Genger, B. Paulus, E. J. W. List-Kratochvil, S. Eigler*
    Late-Stage Functionalization of Hexa-<\/em>peri-benzocoronene-Fluoranthene Hybrid Influenced by Dynamic Inversion of Helicity.<\/em>
    ACS Phys. Chem. Au<\/em> 2026<\/strong>, accepted<\/em>.<\/a><\/li>\n\n\n\n
  2. D. T. Hogan, A. R. Krappe<\/strong>, R. Feyerherm, M. Weber, U. Resch-Genger, S. Eigler*
    Large Stokes shift fluorophores from meta-substituted zwitterions.<\/em>
    Chem. Sci.<\/em> 2026<\/strong><\/em>,\u00a017<\/em>, 15070\u201315079.<\/a><\/li>\n\n\n\n
  3. J. Schl\u00f6gl, A. R. Krappe<\/strong>, P. C. F\u00fcrstenwerth, A. L. Brosius, C. Fasting, K. F. Hoffmann, U. Resch-Genger, S. Eigler, S. Steinhauer, S. Riedel*
    Luminescent Perhalofluoro Trityl Radicals.<\/em>
    J. Chem. Am. Soc. <\/em>2025<\/strong>, 147<\/em>, 43105\u201343112.<\/a><\/li>\n\n\n\n
  4. J. P. Soyka, J. F. Witte, A. Wiesner, A. R. Krappe<\/strong>, D. Wehner, N. Alnicola, B. Paulus, U. Resch-Genger, S. Eigler*
    [3]Radialene fluorophores with pH-switchable emission and stable absorption maxima<\/em>.
    Eur. J. Org. Chem.<\/em> 2025<\/strong>, 28<\/em>, e202500669.<\/a><\/li>\n\n\n\n
  5. A. R. Krappe<\/strong>, J. C. Mayer, W. Zhang, L. M. Filla, G. Ligorio, F. Hermerschmidt, L. S. Eitelhuber, A. G\u00fcttler, M. Weber, B. Paulus, U. Resch-Genger, E. J. W. List-Kratochvil, S. Eigler*
    Highly Emissive Hexa-<\/em>peri-benzocoronene-fluoranthene Hybrid as Easily Processable and Stable OLED Material<\/em>.
    Chem. Eur. J. <\/em>2025<\/strong>, 31<\/em>, e202500742.<\/a><\/li>\n\n\n\n
  6. J. Wasternack, H. V. Schr\u00f6der, J. F. Witte, M. Ilisson, H. Hupatz, J. F. Hille, M. Gaedke, A. M. Valkonen, S. Sobottka, A. Krappe<\/strong>, M. Schubert, B. Paulus, K. Rissanen, B. Sarkar, S. Eigler, U. Resch-Genger, C. A. Schalley*
    Switchable protection and exposure of a sensitive squaraine dye within a redox active rotaxane.<\/em>
    Commun. Chem.<\/em> 2024<\/strong>, 7<\/em>, 229.<\/a><\/li>\n\n\n\n
  7. F. Witte*, P. Rietsch, S. Sinha, A. Krappe<\/strong>, J.-O. Joswig, J. P. G\u00f6tze, N. Nirmalananthan-Budau, U. Resch-Genger, S. Eigler, and B. Paulus
    Fluorescence Quenching in J-Aggregates through the Formation of Unusual Metastable Dimers.<\/em>
    J. Phys. Chem. B<\/em> 2021<\/strong>, 125<\/em>, 4438\u20134446.<\/a><\/li>\n\n\n\n
  8. P. Rietsch, F. Witte, S. Sobottka, G. Germer,\u00a0A. Krappe<\/strong>, A. G\u00fcttler, B. Sarkar, B. Paulus*, U. Resch-Genger*, S. Eigler*
    Diaminodicyanoquinones: Fluorescent Dyes with High Dipole Moments and Electron-Acceptor Properties.<\/em>
    Angew. Chem. Int. Ed.<\/em> 2019<\/strong>, 58<\/em>, 8235\u20138239.<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    Curriculum Vitae since 12\/2021 Doctoral Candidate, FU Berlin, Germany 2019-2021 Master Studies of Chemistry at FU Berlin, Germany 2014-2019 Bachelor Studies of Chemistry at FU Berlin, Germany Publications<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1204,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3119","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/userpage.fu-berlin.de\/~eigler\/wp-json\/wp\/v2\/pages\/3119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/userpage.fu-berlin.de\/~eigler\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/userpage.fu-berlin.de\/~eigler\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/userpage.fu-berlin.de\/~eigler\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/userpage.fu-berlin.de\/~eigler\/wp-json\/wp\/v2\/comments?post=3119"}],"version-history":[{"count":43,"href":"https:\/\/userpage.fu-berlin.de\/~eigler\/wp-json\/wp\/v2\/pages\/3119\/revisions"}],"predecessor-version":[{"id":4360,"href":"https:\/\/userpage.fu-berlin.de\/~eigler\/wp-json\/wp\/v2\/pages\/3119\/revisions\/4360"}],"up":[{"embeddable":true,"href":"https:\/\/userpage.fu-berlin.de\/~eigler\/wp-json\/wp\/v2\/pages\/1204"}],"wp:attachment":[{"href":"https:\/\/userpage.fu-berlin.de\/~eigler\/wp-json\/wp\/v2\/media?parent=3119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}