Počet záznamů: 1  

Unbalanced 2D chiral crystallization of pentahelicene propellers and their planarization into nanographenes

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    0549992 - FZÚ 2022 RIV DE eng J - Článek v odborném periodiku
    Voigt, J. - Roy, M. - Baljozović, M. - Wäckerlin, C. - Coquerel, Y. - Gingras, M. - Ernst, Karl-Heinz
    Unbalanced 2D chiral crystallization of pentahelicene propellers and their planarization into nanographenes.
    Chemistry - A European Journal. Roč. 27, č. 40 (2021), s. 10251-10254. ISSN 0947-6539. E-ISSN 1521-3765
    Institucionální podpora: RVO:68378271
    Klíčová slova: chirality * nanographene * SPM * on-surface chemistry
    Obor OECD: Condensed matter physics (including formerly solid state physics, supercond.)
    Impakt faktor: 5.020, rok: 2021
    Způsob publikování: Open access

    The chiral self-assembly of trispentahelicene propellers on a gold surface has been investigated in ultrahigh vacuum by means of scanning tunneling micro scopy and time-of-flight secondary ion mass spectrometry. The trispentahelicene propellers aggregate into mirror domains with an enantiomeric ratio of 2 :1. Thermally induced cyclodehydrogenation leads to planarization into nanographenes, which self-assemble into closed-packed layers with two different azimuths. Further treatment induces in part dimerization and trimerization by intermo lecular cyclodehydrogenation.
    Trvalý link: http://hdl.handle.net/11104/0325878

     
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