Synthesis of optically clear molecular organogels using phenol and a sulfosuccinic surfactant in various solvents with cyclic geometries 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Journal of Molecular Liquids
年/卷/期
2018 / 268 /
页码
685-690
ISSN号
0167-7322
作者单位
Fukuoka Univ, Dept Chem, Fac Sci, Fukuoka, Fukuoka 8140180, Japan;Meijo Univ, Dept Environm Sci & Technol, Tempaku Ku, Nagoya, Aichi 4688502, Japan;Shimane Univ, Fac Educ, Matsue, Shimane 6908504, Japan;Shimane Univ, Fac Educ, Matsue, Shimane 6908504, Japan;
作者
Katsumoto, Yukiteru;Nishiyama, Katsura;Kinoshita, Masaru;Harada, Takashi;
摘要
Equal concentration mixtures of p-chlorophenol and a sulfosuccinic surfactant bis(2-ethylhexyl)sulfosuccinate (AOT) are known to form optically clear gels in cyclic organic solvents like cyclohexane, whereas turbid gels are obtained in acyclic alkanes and aromatic solvents with the same gelators. Clear organogels are necessary when emitting devices are dispersed inside the gel. As such, in this study, we employed 16 cyclic solvents including cyclic alkanes, cyclic alkenes, cycloalkanones, and chlorocyclohexane. Eventually we were to obtain clear gels in 12 cyclic alkane and cyclic alkene solvents at immediately after the gelation, while 2 of those gels turned out to be turbid in a few days. A cyclic solvent geometry was shown to be unnecessary to obtain clear gels. Transmittance spectra, drop-point temperature, and nuclear magnetic resonance were employed to characterize the organogels. The rigid structure in the pi-stack caused by p-chlorophenol self-assembly brought about a higher drop point. (C) 2018 Elsevier B.V. All rights reserved.
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关键词/主题词
Self-assembly;Softmaterial;Physical gel;Solvophobic interaction;Low molecular-mass organic gelator;
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