A variation on Luzzati's soap phases. Room temperature thermotropic liquid crystals

Literature Information

Publication Date 2004-03-15
DOI 10.1039/B315595C
Impact Factor 3.676
Authors

Robert W. Corkery


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Abstract

Remarkable room-temperature liquid crystallinity is observed for a wide range of metal soaps. Incorporation of saturated, mid-chain mono-methyl branched C17 fatty acid (mid-chain branched fatty acid) into metal soaps lowers the liquid crystalline transition to below room temperature. Soaps of Na, Mg, Al, Ca, Cu, Zn, Sr, Ag, Cd, La, Ce, Tb and Lu are synthesized and characterized via XRD, FTIR, DSC, optical microscopy, density determinations and other physical methods. The main room temperature mesophase identified in the soaps here is a liquid crystalline hexagonal columnar phase, first described by Luzzati et al. A comparative analysis of the branched soaps with their saturated, linear analogues is given. Implications for room temperature columnar soap structure is discussed in terms of the various physical parameters found for these soaps.

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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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