Abstract

Upon polarized laser beam irradiation, achiral azobenzene-based molecular glass particles changed their forms to wavy string-like structures in agar gel, and their ends were found to have helical structures with a left-handed rather than right-handed screw. Such chiral photomechanical behavior was suggested to be due to different dynamic viscoelasticity between clockwise and counterclockwise rotations of the surrounding agar gel, confirmed by the behavior of the gel sliding down in a glass tube.

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