Thermally Tunable Structural Coloration of Water/Surfactant/Oil Emulsions

Stimuli-responsive structural color in nature has fascinated scientists, directing them to develop artificial coloration materials that adjust colors in response to external stimuli. Many stimuli-responsive structural color materials have been realized. However, only a few have reported on all-liqui...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 38(2022), 1 vom: 11. Jan., Seite 569-575
1. Verfasser: Arai, Yuto (VerfasserIn)
Weitere Verfasser: Yashiro, Nayuta, Imura, Yoshiro, Wang, Ke-Hsuan, Kawai, Takeshi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Stimuli-responsive structural color in nature has fascinated scientists, directing them to develop artificial coloration materials that adjust colors in response to external stimuli. Many stimuli-responsive structural color materials have been realized. However, only a few have reported on all-liquid-type materials, which have a particularly desirable feature because they impart their function to the device of any shape. We have previously reported the development of a consistent structural color within a narrow temperature range for all-liquid-type emulsions comprising a long-chain amidoamine derivative (C18AA) and tetraoctylammonium bromide (TOAB). In the present study, we demonstrate that introducing NaCl as an electrolyte affords a highly thermo-sensitive color-changing ability to the emulsions. The structural color of the emulsions can be controlled from red to blue by tuning the temperature. Furthermore, the C18AA and TOAB concentrations can independently regulate the color and coloring-temperature, respectively, realizing that the desired color can develop at a given temperature 
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700 1 |a Yashiro, Nayuta  |e verfasserin  |4 aut 
700 1 |a Imura, Yoshiro  |e verfasserin  |4 aut 
700 1 |a Wang, Ke-Hsuan  |e verfasserin  |4 aut 
700 1 |a Kawai, Takeshi  |e verfasserin  |4 aut 
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