Hydrophobic and polar ionic liquids

Literature Information

Publication Date 2013-01-23
DOI 10.1039/C3CP44214D
Impact Factor 3.676
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Abstract

By designing both the cation and anion to give rise to hydrophobicity and polarity, we have created a new class of ionic liquids that are both hydrophobic and polar. These comprise one component of ionic liquid–water biphasic systems having strong hydrogen bonding characteristics in the presence of water. A series of alkylphosphonium phosphonate-type ILs had differing affinities with water, manifested in their phase behaviour with water according to the hydrophobicity of the cations. In particular, ethylphosphonate salts coupled with tetra-n-hexylphosphonium and tri-n-hexyl-n-octylphosphonium cations had lower critical solution temperature behaviour after mixing with water. Moreover, tetra-n-octylphosphonium ethylphosphonate and n-butylphosphonate exhibited stable phase separation and higher hydrogen bonding characteristics even after mixing with water.

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DOI: 10.1039/AN884090151B

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DOI: 10.1039/CS99524BP023

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DOI: 10.1039/B7RP90014G

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DOI: 10.1039/AN884090073B

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

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.

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