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Creation of hierarchical structures within membranes by incorporating mesoporous microcapsules for enhanced separation performance and stability
Liu, WP; Hu, S; Liu, GH; Pan, FS; Wu, H; Jiang, ZY; Wang, BY; Li, ZX; Cao, XZ;王宝义; Li ZX(李卓昕); Cao XZ(曹兴忠)
2014
发表期刊JOURNAL OF MATERIALS CHEMISTRY A
卷号2期号:15页码:5267-5279
摘要In this study, we present a novel approach for fabricating hybrid membranes with superior separation performance and physicochemical stability by incorporating multifunctional dopamine mesoporous microcapsules upon CaCO3 template. The microcapsules are synthesized via the synergy of surface segregation, metal-organic coordination and biomimetic mineralization. The micro-scale hollow lumen and the mesoporous wall decrease diffusion resistance of the membranes by endowing smaller effective membrane thickness and introducing additional shorter permeation pathways for the penetrants, which lead to a faster mass transfer within the membranes. Meanwhile, the microcapsules bridge the polymer chains mainly owing to the numerous mesopores and unique bio-adhesion, which render the optimal polymer-microcapsule interface. Due to the hierarchical structures spanning from microscale, nanoscale to molecular-scale within the membranes, the membranes display remarkably enhanced permeation flux and desired enrichment factor when utilized for model gasoline separation. In addition, due to the elevated cohesive energy and reinforced chain rigidity, the membranes display higher thermal and mechanical stability. This study can identify a facile, generic, and efficient route to design and fabricate a variety of robust, high-performance hybrid membranes for a broad range of energy and environment-related applications.
学科领域Chemistry; Energy & Fuels; Materials Science
DOI10.1039/c3ta14665k
收录类别SCI
WOS记录号WOS:000333101600014
引用统计
被引频次:15[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/311005/225108
专题多学科研究中心
核技术应用研究中心
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Liu, WP,Hu, S,Liu, GH,et al. Creation of hierarchical structures within membranes by incorporating mesoporous microcapsules for enhanced separation performance and stability[J]. JOURNAL OF MATERIALS CHEMISTRY A,2014,2(15):5267-5279.
APA Liu, WP.,Hu, S.,Liu, GH.,Pan, FS.,Wu, H.,...&曹兴忠.(2014).Creation of hierarchical structures within membranes by incorporating mesoporous microcapsules for enhanced separation performance and stability.JOURNAL OF MATERIALS CHEMISTRY A,2(15),5267-5279.
MLA Liu, WP,et al."Creation of hierarchical structures within membranes by incorporating mesoporous microcapsules for enhanced separation performance and stability".JOURNAL OF MATERIALS CHEMISTRY A 2.15(2014):5267-5279.
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