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Showing 1–4 of 4 results
Advanced filters: Author: Norihisa Akamatsu Clear advanced filters

  • The mobility of organic semiconductors can be tuned by modifying their chemical composition or crystalline properties. Here, the authors show that bending organic single crystals increases their field effect transistor mobility due to restrained molecular vibrations and subsequently reduced dynamic disorder.

    • Takayoshi Kubo
    • Roger Häusermann
    • Jun Takeya
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • The alignment of azobenzene molecule was induced by a new-alignment-patterning technique based on a scanning wave photopolymerization (SWaP) concept with unpolarized light. This finding indicates that SWaP could be employed as a novel and simple fabrication process for preparing a wide variety of highly functional optical devices requiring alignment control.

    • Miho Aizawa
    • Kyohei Hisano
    • Atsushi Shishido
    Research
    Polymer Journal
    Volume: 50, P: 753-759

  • The molecular orientation of polymer-stabilized nematic liquid crystals (PSLCs) doped with oligothiophene can be easily manipulated using irradiation with linearly polarized light above a threshold intensity. The photoresponsive behavior depended on the initial molecular orientation, as controlled by the surface treatment of PSLC cells. The threshold light intensity for molecular reorientation was successfully reduced by 30% by optimizing the silane coupler concentration because of the decrease in surface anchoring. Thus, weak surface anchoring leads to a reduced threshold light intensity for molecular reorientation.

    • Koji Usui
    • Erika Katayama
    • Atsushi Shishido
    Research
    Polymer Journal
    Volume: 49, P: 209-214