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Demonstrates photoresponsive gel transition in diarylethene, indicating potential for smart materials.
An amide-functionalized diarylethene undergoes a photoreversible supramolecular gel–sol transition. In the open-ring form, the molecule self-assembles into elongated ribbon-like fibers to form a gel in n-octane. Upon UV irradiation, photoisomerization to the closed-ring form reorganizes the assemblies into short fibers, resulting in a sol. Visible-light irradiation restores the open-ring form and regenerates the elongated-fiber gel.
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Murai et al. (2026) studied this question.
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