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<p>In this article, we review the photoinduced morphological changes of self-assembled thin films composed of amphiphilic organic compounds. Amphiphilic compounds are known to consist of both hydrophilic and hydrophobic groups and form a variety of self-assembling structures on glass substrates, including micelles, lamellae, vesicles, and lamellar layers. These structures play an important role in regulating the photochemical reaction process of encapsulated guest molecules. This mini-review focuses on the photochemical transformation of guest molecules within these self-assembled films and their subsequent effects on the morphology of the films. We found that these reactions are affected by the structure of molecular assemblies and the free volume and intermolecular distance available for molecular rotation. The findings highlight the importance of understanding the interaction between self-assembling structures and photochemical reactions for the development of advanced photofunctional materials.</p>

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Photoinduced morphological changes induced by photochemistry of organic compounds in self-assembled thin film

  • 期刊论文

  • 发表日期：

    2026年2月26日

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  • Osamu Ohtani,
  • Ryo Sasai

摘要

In this article, we review the photoinduced morphological changes of self-assembled thin films composed of amphiphilic organic compounds. Amphiphilic compounds are known to consist of both hydrophilic and hydrophobic groups and form a variety of self-assembling structures on glass substrates, including micelles, lamellae, vesicles, and lamellar layers. These structures play an important role in regulating the photochemical reaction process of encapsulated guest molecules. This mini-review focuses on the photochemical transformation of guest molecules within these self-assembled films and their subsequent effects on the morphology of the films. We found that these reactions are affected by the structure of molecular assemblies and the free volume and intermolecular distance available for molecular rotation. The findings highlight the importance of understanding the interaction between self-assembling structures and photochemical reactions for the development of advanced photofunctional materials.