Anisotropic ionogels of sodium laurate in a room-temperature ionic liquid
Jiang, WQ; Hao, JC; Wu, ZH
刊名LANGMUIR
2008
卷号24期号:7页码:3150-3156
学科分类Chemistry; Materials Science
DOI10.1021/1a703632g
通讯作者[Jiang, Wenqing ; Hao, Jingcheng] Shandong Univ, Minist Educ, Key Lab Colloid & Interface Chem, Jinan 250100, Peoples R China ; [Wu, Zhonghua] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
英文摘要Anisotropic thermally reversible ionogels of sodium laurate (SL) were prepared in the first discovered room-temperature ionic liquid (RTIL), ethylammonium nitrate (EAN). Polarized optical microscope images indicate that the gels are birefringent, illuminating the presence of anisotropic structures. Small-angle X-ray scattering results reveal that SL and lauric acid (LA) molecules are arranged to form lamellar structures, but no SL crystallites were confirmed by the X-ray diffraction measurements. With an increase of the SL concentration, the interlayer distance decreases. Rheological measurements indicate that the anisotropic ionogels are highly viscoelastic and the storage modulus (G') increases with an increase of the SL concentration in EAN. Electrochemical measurements indicate that the anisotropic ionogels may have potential applications in electrochemical fields. The intermolecular hydrogen bond as well as the solvatophobic interaction of SL and LA formed by a chemical reaction, CH3(CH2)(10)COONa + CH3CH2NH3NO3 -> CH3CH2NH2 up arrow + NaNO3 down arrow + CH3(CH2)(10)COOH, can play a role in the formation of three-dimensional networks having lamellar structures which are responsible for the anisotropic ionogels. The formation of anisotropic ionogels by surfactants in RTILs could be a new phenomenon, but this is not a very classic case of organogels.
类目[WOS]Chemistry, Multidisciplinary ; Chemistry, Physical ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Materials Science
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语种英语
WOS记录号WOS:000254480500029
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被引频次:32[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/311005/239874
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
作者单位中国科学院高能物理研究所
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Jiang, WQ,Hao, JC,Wu, ZH. Anisotropic ionogels of sodium laurate in a room-temperature ionic liquid[J]. LANGMUIR,2008,24(7):3150-3156.
APA Jiang, WQ,Hao, JC,&Wu, ZH.(2008).Anisotropic ionogels of sodium laurate in a room-temperature ionic liquid.LANGMUIR,24(7),3150-3156.
MLA Jiang, WQ,et al."Anisotropic ionogels of sodium laurate in a room-temperature ionic liquid".LANGMUIR 24.7(2008):3150-3156.
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