ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
Abrupt and Reversible Stretching in an Azobenzene Single Crystal via Thermal Phase Transition.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Abrupt and Reversible Stretching in an Azobenzene Single Crystal via Thermal Phase Transition.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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Authors and funding
8 authors.
Funding
Abstract
Mechanically responsive crystals are promising for actuators and microrobotics; however, achieving large reversible deformation with high durability remains challenging. Herein, A single-component azobenzene crystal is reported to exhibit an abrupt and reversible stretching of over 8% along its long axis, driven by a thermally induced single-crystal-to-single-crystal phase transition. Single-crystal X-ray diffraction revealed a significant change in molecular packing distance along the long axis accompanied by the reorientation of CH-π interactions, leading to large macroscopic stretching/shrinking. Furthermore, visible light (435 nm) induced rapid, localized, and reversible stretching of the crystal via the photothermal effect, enabling the remote control of microparticle motion. This study reveals a rare combination of large anisotropic deformation, reversibility, and light responsiveness in a single-component organic crystal, offering a new molecular platform for advancing micro-energy conversion and soft robotics.
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