Spectroscopic study of the self-assembly behavior of a vertical soap film stabilized with cetyltrimethylammonium bromide and Thiazole Yellow

Literature Information

Publication Date 2000-03-09
DOI 10.1039/A909317F
Impact Factor 3.676
Authors

Yingqiu Liang


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Abstract

FTIR and UV-vis spectroscopy were used to investigate the thinning process and self-assembly behavior of a stable black soap film (BSF) prepared from the cationic surfactant cetyltrimethylammonium bromide and the anionic dye Thiazole Yellow (TY) in a micellar phase. During the course of thinning, the construction of two surfactant monolayers of the soap film is nearly independent of the aqueous core thickness, indicating the self-assembly feature of the BSF. At equilibrium, the thickness of the aqueous core is estimated to be approximately 1.7 nm, and the TY molecules in the film are aligned parallel to the plane of the film in the form of a J-aggregate with a concentration approximately 190 times higher than that in the film-forming solution.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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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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