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Showing 1–8 of 8 results
Advanced filters: Author: Yoshito Tobe Clear advanced filters

  • Open-shell organic molecules with properties that can be modulated by external stimuli are of interest for spintronics applications. Now, an overcrowded alkene with open-shell tetraradical character has been synthesized in which the interaction between the π-conjugated subunits depends on the charge and spin state.

    • Yoshito Tobe
    News & Views
    Nature Chemistry
    Volume: 15, P: 1490-1492

  • 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

  • On-surface chemical reactions provide an attractive route for making tailored nanostructures. Here the authors present a thermally-controlled sequential on-surface transformation of a hydrocarbon molecule, characterized via high-resolution atomic force microscopy and density functional theory calculations.

    • Shigeki Kawai
    • Ville Haapasilta
    • Ernst Meyer
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • The generation of two-dimensional homochiral porous molecular networks at the liquid–solid interface is described. Using scanning tunnelling microscopy, the formation of homochiral porous networks was observed both from solutions of homochiral molecules and from solutions of achiral molecules in the presence of a small amount of a chiral modifier.

    • Kazukuni Tahara
    • Hiroyuki Yamaga
    • Yoshito Tobe
    Research
    Nature Chemistry
    Volume: 3, P: 714-719

  • We present a revolutionary approach to enhance carbon fiber performance through advanced microstructure design and control, addressing limitations of size effects. Utilizing micromechanics, we engineered optimized microstructures and developed innovative techniques for their precise manipulation. Key to our success was the use of synchrotron radiation facilities for X-ray structural analysis, enabling hierarchical examination of single fibers. This led to ultrastrong carbon fibers with a 10% increase in tensile strength (7 GPa to 8 GPa). Our findings hold transformative potential for aerospace and energy applications requiring high-strength, lightweight materials.

    • Fumihiko Tanaka
    • Jun Watanabe
    • Toru Ishikawa
    Reviews
    Polymer Journal
    Volume: 57, P: 1331-1337

  • Crystalline porous molecular frameworks formed through intermolecular hydrogen bonding calling hydrogen-bonded organic frameworks (HOFs) have recently been investigated as a new family of functional porous materials. In this review, HOFs composed of tritopic, tetratopic, and hexatopic carboxylic acid derivatives, which form H-bonded network such as those with hcb, sql, and hxl topologies depending on the numbers, positions, and orientations of the carboxy groups and conformational flexibility of the molecular skeletons, are reviewed by considering structural aspects such as isostructurality.

    • Yuto Suzuki
    • Ichiro Hisaki
    ReviewsOpen Access
    Polymer Journal
    Volume: 56, P: 1-16