Effect of temperature on the organized self-assembly of SDS/β-Cyclodextrin aqueous solution by dielectric relaxation behavior

Circularly polarized luminescence (CPL) enabled by chiral self‐assembly is very promising in diversified applications. However, temperature‐triggered disassembly or self‐assembly transition often results in reduction or even silence of CPL. Here, a strategy of coordinating self‐assembly is reported that offers temperature enhanced and retainable CPL that is resistant to further temperature variation. Upon co‐assembling commercial dyes with the coordinating hydrogel of cholate‐calcium, the chirality transfer from cholate to the dyes allows generation of CPL. With increasing temperature, the CPL intensity can be enhanced 4 times and the emission dissymmetry factor gem can be promoted from 0.04 to 0.1, then they remain stable either upon further elevating or lowering temperature. Mechanism study reveals that increasing temperature has triggered the coordination transition between the carbonate groups and Ca2+ from the metastable bidentate chelating to the thermal stable bridging mode, which drives the transition from flexible nanohelices to stiff helical bunches. This promotes the alignment of the dyes and in the meantime decreases its mobility, thus leads to increased CPL intensity and gem. It is envisioned that the strategy of coordinating self‐assembly would be very promising in creating thermally stable CPL for diversified applications.

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Unprecedented Thermo‐Enhanced Retainable Circularly Polarized Luminescence

Yan

Liao

et al. 2022

Advanced Optical Materials

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Variation of micellization, thermodynamic, and surface properties of sodium dodecyl sulfate in aqueous media using 1,3-disulfo-2-alkyl imidazolium chloride ionic liquids

Bora,

Paul

et al. 2024

Colloid Polym Sci

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Self-aggregation behaviour of cationic surfactant tetradecyltrimethylammonium bromide and bi-amphiphilic surface active ionic liquid 3-methyl-1-pentylimidazolium dodecylsulfate in aqueous solution

Pal

Punia

2020

Journal of Molecular Liquids

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Effect of temperature on the organized self-assembly of SDS/β-Cyclodextrin aqueous solution by dielectric relaxation behavior

Cited by 3 publications

References 28 publications

Unprecedented Thermo‐Enhanced Retainable Circularly Polarized Luminescence

Unprecedented Thermo‐Enhanced Retainable Circularly Polarized Luminescence

Variation of micellization, thermodynamic, and surface properties of sodium dodecyl sulfate in aqueous media using 1,3-disulfo-2-alkyl imidazolium chloride ionic liquids

Self-aggregation behaviour of cationic surfactant tetradecyltrimethylammonium bromide and bi-amphiphilic surface active ionic liquid 3-methyl-1-pentylimidazolium dodecylsulfate in aqueous solution

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