Nonaqueous Lyotropic Liquid-Crystalline Phases Formed by Gemini Surfactants in a Protic Ionic Liquid
Wang, XD; Chen, X; Zhao, YR; Yue, X; Li, QH; Li, ZH;李志宏
刊名LANGMUIR
2012
卷号28期号:5页码:2476-2484
学科分类Chemistry; Materials Science
DOI10.1021/la204489v
英文摘要The aggregation behaviors of three Gemini surfactants [(C5H2s-alpha,omega)-(Me2N+CmH2m+1Br-)(2), s = 2, m = 10, 12, 14] in a protic ionic liquid, ethylammonium nitrate (EAN), have been investigated. The polarized optical microscopy and small-angle X-ray scattering (SAXS) measurements are used to explore the lyotropic liquid crystal (LLC) formation. Compared to the LLCs formed in aqueous environment, the normal hexagonal and lamellar phases disappear. However, with increasing the surfactant concentration, a new reverse hexagonal phase (H-II) can be mapped over a large temperature range except for other ordered aggregates including the isotropic solution phase and a two-phase coexistence region. The structural parameters of the H-II are calculated from the corresponding SAXS patterns, showing the influence of surfactant amount, alkyl chain length, and temperature. Meanwhile, the rheological profiles indicate a typical Maxwell behavior of the LLC phases formed in EAN.
收录类别SCI
WOS记录号WOS:000299864500021
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被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224205
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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Wang, XD,Chen, X,Zhao, YR,et al. Nonaqueous Lyotropic Liquid-Crystalline Phases Formed by Gemini Surfactants in a Protic Ionic Liquid[J]. LANGMUIR,2012,28(5):2476-2484.
APA Wang, XD,Chen, X,Zhao, YR,Yue, X,Li, QH,&Li, ZH;李志宏.(2012).Nonaqueous Lyotropic Liquid-Crystalline Phases Formed by Gemini Surfactants in a Protic Ionic Liquid.LANGMUIR,28(5),2476-2484.
MLA Wang, XD,et al."Nonaqueous Lyotropic Liquid-Crystalline Phases Formed by Gemini Surfactants in a Protic Ionic Liquid".LANGMUIR 28.5(2012):2476-2484.
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