Auflistung nach Autor:in "Jung, Thomas"

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  • Kein Vorschaubild vorhanden
    Publikation
    Coordination-driven monolayer-to-bilayer transition in two-dimensional metal–organic networks
    (American Chemical Society, 16.03.2021) Moradi, Mina; Lengweiler, Nadia; Housecroft, Catherine; Tulli, Ludovico; Stahlberg, Henning; Jung, Thomas; Shahgaldian, Patrick
    We report on monolayer-to-bilayer transitions in 2D metal–organic networks (MONs) from amphiphiles supported at the water–air interface. Functionalized calix[4]arenes are assembled through the coordination of selected transition metal ions to yield monomolecular 2D crystalline layers. In the presence of Ni(II) ions, interfacial self-assembly and coordination yields stable monolayers. Cu(II) promotes 2D coordination of a monolayer which is then diffusively reorganizing, nucleates, and grows a progressive amount of second layer islands. Atomic force microscopic data of these layers after transfer onto solid substrates reveal crystalline packing geometries with submolecular resolution as they are varying in function of the building blocks and the kinetics of the assembly. We assign this monolayer-to-bilayer transition to a diffusive reorganization of the initial monolayers owing to chemical vacancies of the predominant coordination motif formed by Cu2+ ions. Our results introduce a new dimension into the controlled monolayer-to-multilayer architecturing of 2D metal–organic networks.
    01A - Beitrag in wissenschaftlicher Zeitschrift
  • Kein Vorschaubild vorhanden
    Publikation
    Supramolecular patterned surfaces driven by cooperative assembly of C60 and porphyrins on metal substrates
    (Wiley, 04.09.2004) Bonifazi, Davide; Spillmann, Hannes; Kiebele, Andreas; de Wild, Michael; Seiler, Paul; Cheng, Fuyong; Güntherodt, Hans‐Joachim; Jung, Thomas; Diederich, François
    Plenty of room on top: Unprecedented one- and two-dimensional fullerene patterns were obtained upon evaporation of pristine C60 onto pre-organized porphyrin monolayers on silver surfaces following a bottom-up approach. The arrangement of the fullerene molecules on the patterned layer can be controlled by the porphyrin structure (see scanning tunneling microscopy images).
    01A - Beitrag in wissenschaftlicher Zeitschrift