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Effects of Antagonistic Salts on Critical Behavior and Order Formation of Soft Matter

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Molecular Basics of Liquids and Liquid-Based Materials

Part of the book series: Physical Chemistry in Action ((PCIA))

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Abstract

Antagonistic salts are composed of hydrophilic and hydrophobic ions. In binary mixtures, such as a mixture of water and an organic solvent, these ion pairs preferentially dissolve into their respective phases, and there exists a coupling between the charge density and composition. The heterogeneous distribution of ions forms a large electric double layer at the interface between these solvents. This reduces the interfacial tension between water and the organic solvent, and stabilizes an ordered structure, such as a membrane. These phenomena have been extensively studied from theoretical and experimental perspectives.

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Authors and Affiliations

  1. Faculty of Life and Medical Sciences, Doshisha University, Kyoto, Japan

    Koichiro Sadakane

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  1. Koichiro Sadakane
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Correspondence to Koichiro Sadakane .

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Editors and Affiliations

  1. Meijo University, Nagoya, Japan

    Katsura Nishiyama

  2. Nagoya University, Nagoya, Japan

    Tsuyoshi Yamaguchi

  3. Saga University, Saga, Japan

    Toshiyuki Takamuku

  4. Kyushu University, Fukuoka, Japan

    Norio Yoshida

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Sadakane, K. (2021). Effects of Antagonistic Salts on Critical Behavior and Order Formation of Soft Matter. In: Nishiyama, K., Yamaguchi, T., Takamuku, T., Yoshida, N. (eds) Molecular Basics of Liquids and Liquid-Based Materials. Physical Chemistry in Action. Springer, Singapore. https://doi.org/10.1007/978-981-16-5395-7_13

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