ArticleAngewandte Chemie (International ed. in English)2022
Thermoreversible Polymorph Transitions in Supramolecular Polymers of Hydrogen-Bonded Squaramides.
Article in Angewandte Chemie (International ed. in English), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- Pathway Complexity in Naphthalene Diimide Supramolecular Polymers: Interruption by an Aromatic Solvent.Chemistry (Weinheim an der Bergstrasse, Germany) · 2026Article
- Thermally Controlled Chiral Supramolecular Polymorphism in Water.Angewandte Chemie (International ed. in English) · 2026Article
- One- and Two-Dimensional Polymorphism in a Hydrogen-Bonding Bis-Ureido-Squaramide.Angewandte Chemie (International ed. in English) · 2026Article
- Unraveling Pathway Complexity in the Supramolecular Polymerization of Z-Shaped Perylenediimides: From KineticJournal of the American Chemical Society · 2025Article
- Coaxial Helices in Chiral Supramolecular Aggregates from Highly Hindered Chiral Allenes.Angewandte Chemie (International ed. in English) · 2025Article
- Modulating self-assembly and polymorph transitions in bisdendronized squaramides.Communications chemistry · 2024Article
- Pathway-dependent supramolecular polymerization by planarity breaking.Chemical science · 2024Article
- Chemically Fueled Communication Along a Scaffolded Nanoscale Array of Squaramides.Angewandte Chemie (International ed. in English) · 2023Article
- Controlling Molecular Packing in Aqueous Metallosupramolecular Self-assembly by Ligand Geometry.Precision chemistry · 2023Article
- Thermoreversible Polymorph Transitions in Supramolecular Polymers of Hydrogen-Bonded Squaramides.Angewandte Chemie (International ed. in English) · 2022Article
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Abstract
Hydrogen-bonded squaramide (SQ) supramolecular polymers exhibit uncommon thermoreversible polymorph transitions between particle- and fiber-like nanostructures. SQs 1-3, with different steric bulk, self-assemble in solution into particles (AggI) upon cooling to 298 K, and SQs 1 and 2, with only one dendronic group, show a reversible transformation into fibers (AggII) by further decreasing the temperature to 288 K. Nano-DSC and UV/Vis studies on SQ 1 reveal a concentration-dependent transition temperature and ΔH for the AggI-to-AggII conversion, while the kinetic studies on SQ 2 indicate the on-pathway nature of the polymorph transition. Spectroscopic and theoretical studies reveal that these transitions are triggered by the molecular reorganization of the SQ units changing from slipped to head-to-tail hydrogen bonding patterns. This work unveils the thermodynamic and kinetic aspects of reversible polymorph transitions that are of interest to develop stimuli-responsive systems.
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