Amphiphilicity determines nanostructure in protic ionic liquids
Literature Information
Silvia Imberti, Gregory G. Warr
The bulk structure of the two oldest ionic liquids (ILs), ethylammonium nitrate (EAN) and ethanolammonium nitrate (EtAN), is elucidated using neutron diffraction. The spectra were modelled using empirical potential structure refinement (EPSR). The results demonstrate that EAN exhibits a long-range structure of solvophobic origin, similar to a bicontinuous microemulsion or disordered L3-sponge phase, but with a domain size of only 1 nm. The alcohol (–OH) moiety in EtAN interferes with solvophobic association between cation alkyl chains resulting in small clusters of ions, rather than an extended network.
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Source Journal
Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.











![3,7-Di(1,1':3',1''-terphenyl-5'-yl)-10,11,12,13-tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-5-ol 5-oxide structure 3,7-Di(1,1':3',1''-terphenyl-5'-yl)-10,11,12,13-tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-5-ol 5-oxide structure](https://static.chemtradehub.com/structs/135/1352810-38-8-3f10.webp)


![3-[4-(difluoromethoxy)phenyl]-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid structure 3-[4-(difluoromethoxy)phenyl]-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid structure](https://static.chemtradehub.com/structs/149/1496564-27-2-952e.webp)