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C 3 Symmetric Hexaphenyltriphenylenehexamide: Molecular Design of Fluorescent Ferroelectrics
Author(s) -
Takeda Takashi,
Wu Jianyun,
Ikenaka Nobuaki,
Hoshino Norihisa,
Hisaki Ichiro,
Akutagawa Tomoyuki
Publication year - 2018
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201802317
Subject(s) - ferroelectricity , materials science , fluorescence , thermal stability , alkyl , polarization (electrochemistry) , amide , electric field , hysteresis , nanotechnology , chemical physics , dielectric , optoelectronics , chemistry , condensed matter physics , organic chemistry , optics , physics , quantum mechanics
Organic materials with diverse molecular designs and assemblies may exhibit new multifunctional properties such as coupled ferroelectric, optical, and transport properties. Herein, we propose design guidelines for multifunctional organic ferroelectric materials based on areneoligoxamide. The key points are the careful selection of a disk‐shaped central π scaffold and the symmetric introduction of terminal alkyl amide groups with high motility. The effectiveness of these guidelines are demonstrated through the synthesis of C 3 symmetric hexaphenyltriphenylenehexamide ( 6TP ), which showed a significant polarization‐electric field hysteresis in the liquid crystalline (LC) state with fluorescent properties. Spacing between the ortho ‐diamide with a phenylene spacer not only expanded the molecular design for ferroelectric LC but also increased the thermal stability of areneoligoxamide.