ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
Dynamic Molecular Cocrystals with Alkyl Chain Dependent Thermosalient Phase Transitions.
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 2 papers.
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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
2 citing papers in PubMed.
- Large Thermo- and Mechanosalient Actuation via Cooperative Twist Elasticity-Induced Packing Motif Conversion.Journal of the American Chemical Society · 2026Article
- Dynamic Molecular Cocrystals with Alkyl Chain Dependent Thermosalient Phase Transitions.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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Authors and funding
5 authors.
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Abstract
Thermally responsive molecular crystals exhibiting programmable mechanical motions hold significant promise for applications in smart actuators, sensors, and drug delivery systems. However, achieving precise control over their phase transition thermodynamics remains a fundamental challenge. A series of isomorphic 5-fluorocytosine/fatty acid cocrystals is reported where the phase transition temperatures vary across an interval of 100 K with increasing alkyl chain. Two distinct transition pathways are unveiled: i) a cooperative single-crystal-to-single-crystal transition (II-III) accompanied by explosive mechanical motions, and ii) a reconstructive transition (I-III) following classical nucleation-growth mechanisms. The cooperative phase transition (II-III) induces remarkable expansion, with a striking +64.4% expansion along the layer stacking direction and a -16.9% contraction perpendicular to the (001) plane, leading to dynamic phenomena such as jumping, rotating, and splitting. Notably, the transition temperatures (T
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