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Showing 1–5 of 5 results
Advanced filters: Author: Kunal S. Mali Clear advanced filters

  • On-surface synthesis of two-dimensional polymers is a useful strategy for designing the lattice, orbital and spin symmetries of materials, but controlling their layer stacking remains challenging. Now, a method to synthesize bilayer two-dimensional covalent organic frameworks at a liquid–substrate interface through monomer condensation has been developed; large-area moiré superlattices emerge from the twisted bilayer stacking.

    • Gaolei Zhan
    • Brecht Koek
    • Kian Ping Loh
    ResearchOpen Access
    Nature Chemistry
    Volume: 17, P: 518-524

  • The formation of homochiral supramolecular networks at solution–solid interfaces typically relies on the soldier-and-sergeant approach, in which a small amount of chiral modifier defines the handedness of the network. Now, judicious choice of the sergeant, solvent, temperature and concentration has enabled chiral induction pathways to be controlled so that a homochiral surface of either handedness can be assembled from the same system.

    • Yuan Fang
    • Elke Ghijsens
    • Steven De Feyter
    Research
    Nature Chemistry
    Volume: 8, P: 711-717

  • Liquid-phase-processable graphene nanoribbons (GNRs) over 200 nm long and with well-defined structures have now been synthesized by a bottom-up method, and are found to have a large optical bandgap of 1.88 eV. Scanning probe microscopy revealed highly ordered self-assembled monolayers of the GNRs, and the high intrinsic charge-carrier mobility of individual ribbons was characterized by terahertz spectroscopy.

    • Akimitsu Narita
    • Xinliang Feng
    • Klaus Müllen
    Research
    Nature Chemistry
    Volume: 6, P: 126-132

  • The strong electric field between the tip of a scanning tunneling microscope and graphite has been used to modulate the two-dimensional polymerization of aryl boronic acids. Here, the authors study the influence of solvent choice and monomer concentration on the electric field-mediated polymerization and depolymerization of a boroxine-based 2D polymer on graphite.

    • Zhinan Fu
    • Nicolás Arisnabarreta
    • Steven De Feyter
    ResearchOpen Access
    Communications Chemistry
    Volume: 7, P: 1-10