ArticleProceedings of the National Academy of Sciences of the United States of America2021
Evidence of a liquid-liquid transition in a glass-forming ionic liquid.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Room-temperature luminescent lanthanide ionic liquids for optical tagging and anti-counterfeiting.RSC advances · 2026Article
- Effect of Cation Symmetry on the Long-Range Ordering in Ionic Liquid Films.Langmuir : the ACS journal of surfaces and colloids · 2026Article
- Salts of boronium (+3) ions with unprecedented hydrolytic stability. Design, synthesis, single-crystal X-ray structures, electrochemistry, and thermophysical properties.RSC advances · 2025Article
- Fluorine-Assisted Self-Assembly Triggers Peculiarities in Molecular Dynamics of a Polar Glass-Former.The journal of physical chemistry. B · 2025Article
- Design and synthesis of phosphonium ionic liquids exhibiting strong fluorescence in various solvents and liquid or glassy state.Journal of ionic liquids · 2025Article
- Graph Theoretical Description of Phase Transitions in Complex Multiscale Phases with Supramolecular Assemblies.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Tetrameric self-assembling of water-lean solvents enables carbamate anhydride-based CONature chemistry · 2024Article
- Inflection Point in Pressure Dependence of Ionic Conductivity as a Fingerprint of Local Structure Formation.The journal of physical chemistry. B · 2024Article
- Non-Isochronal Behavior of Charge Transport at Liquid-Liquid and Liquid-Glass Transition in Aprotic Ionic Liquids.The journal of physical chemistry. B · 2024Article
- A Second Glass Transition Observed in Single-Component Homogeneous Liquids Due to Intramolecular Vitrification.Journal of the American Chemical Society · 2023Article
- Do Ionic Liquids Slow Down in Stages?Journal of the American Chemical Society · 2023Article
- Physical and Electrochemical Analysis ofInorganic chemistry · 2023Article
- Self-Assembled Nanostructures in Aprotic Ionic Liquids Facilitate Charge Transport at Elevated Pressure.ACS applied materials & interfaces · 2023Article
- Tailoring Phosphonium Ionic Liquids for a Liquid-Liquid Phase Transition.The journal of physical chemistry letters · 2023Article
- Article
- Effect of bulky anions on the liquid-liquid phase transition in phosphonium ionic liquids: Ambient and high-pressure dielectric studies.Scientific reports · 2023Article
- Pressure-induced liquid-liquid transition in a family of ionic materials.Nature communications · 2022Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A liquid-liquid transition (LLT) is a transformation from one liquid to another through a first-order transition. The LLT is fundamental to the understanding of the liquid state and has been reported in a few materials such as silicon, phosphorus, triphenyl phosphite, and water. Furthermore, it has been suggested that the unique properties of materials such as water, which is critical for life on the planet, are linked to the existence of the LLT. However, the experimental evidence for the existence of an LLT in many molecular liquids remains controversial, due to the prevalence and high propensity of the materials to crystallize. Here, we show evidence of an LLT in a glass-forming trihexyltetradecylphosphonium borohydride ionic liquid that shows no tendency to crystallize under normal laboratory conditions. We observe a step-like increase in the static dielectric permittivity at the transition. Furthermore, the sizes of nonpolar local domains and ion-coordination numbers deduced from wide-angle X-ray scattering also change abruptly at the LLT. We independently corroborate these changes in local organization using Raman spectroscopy. The experimental access to the evolution of local order and structural dynamics across a liquid-liquid transition opens up unprecedented possibilities to understand the nature of the liquid state.
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