Mechanically Responsive Organic Crystals by Light

Hideko Koshima*, Shodai Hasebe, Yuki Hagiwara, Toru Asahi

*この研究の対応する著者

研究成果: Review article査読

3 被引用数 (Scopus)

抄録

Mechanically responsive molecular crystals that exhibit macroscopic motions such as bending, twisting, and locomotion by light and heat have been studied intensively over the past decade. Photoisomerization has been applied to induce various motions, especially the bending of typical photochromic crystals, e. g., diarylethene and azobenzene. Phase transition is another mechanism underlying crystal actuation. Moreover, photothermal effect is a promising mechanism that has the potential to actuate any crystals that absorb light, including those for which actuation cannot be achieved by photoisomerization or phase transitions. Molecular crystals have an advantage over polymers and gels in terms of having a higher elastic modulus and stronger output force. However, previous studies of mechanical crystals have been limited mostly to basic research. There is a need to address the practical application of such mechanically responsive crystals in sensors, switches, actuators, and soft robots.

本文言語English
ページ(範囲)683-696
ページ数14
ジャーナルIsrael Journal of Chemistry
61
11-12
DOI
出版ステータスPublished - 2021 12月

ASJC Scopus subject areas

  • 化学 (全般)

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