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Novel phase change behavior of n-eicosane in nanoporous silica: emulsion template preparation and structure characterization using small angle X-ray scattering
Wang, W; Wang, CY; Li, W; Fan, XX; Wu, ZH; Zheng, J; Li, XG;吴忠华
2013
发表期刊PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷号15期号:34页码:14390-14395
摘要Silica microcapsules with hierarchical pore structure are prepared using a one step emulsion templated hydrolysis method. Silica particles of around 100 nm with percolated nanosized pores are self-assembled into micrometer scale spherical shells. The porous structure serves as an ideal host for shape stabilization of melted organic compounds. Small angle X-ray scattering (SAXS) results show that the n-eicosane encapsulated in nanoporous silica consists of mass fractal structure with a fractal dimension of 2.1. n-Eicosane encapsulated in the nanosized pores exhibits novel phase change behavior. A large melting point drop from 37.0 to 28.8 degrees C is observed, which is attributed to the strong interaction between the n-eicosane molecules and the silica skeleton.
学科领域Chemistry; Physics
DOI10.1039/c3cp51875b
收录类别SCI
WOS记录号WOS:000322725000030
引用统计
被引频次:8[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/311005/224346
专题多学科研究中心
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Wang, W,Wang, CY,Li, W,et al. Novel phase change behavior of n-eicosane in nanoporous silica: emulsion template preparation and structure characterization using small angle X-ray scattering[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2013,15(34):14390-14395.
APA Wang, W.,Wang, CY.,Li, W.,Fan, XX.,Wu, ZH.,...&Li, XG;吴忠华.(2013).Novel phase change behavior of n-eicosane in nanoporous silica: emulsion template preparation and structure characterization using small angle X-ray scattering.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,15(34),14390-14395.
MLA Wang, W,et al."Novel phase change behavior of n-eicosane in nanoporous silica: emulsion template preparation and structure characterization using small angle X-ray scattering".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 15.34(2013):14390-14395.
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