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	Bimetallic metal-organic frameworks nanocages as multi-functional fillers for water-selective membranes
	Cheng, Xuanxuan1,2; Jiang, Zhongyi1,2; Cheng, Xiaopo1; Guo, Song1; Tang, Lei1,2; Yang, Hao1,2; Wu, Hong1,2; Pan, Fusheng1,2; Zhang, Peng3,4; Cao, Xingzhong3,4
刊名	Journal of membrane science
	2018
卷号	545页码:19-28
关键词	Bimetallic metal-organic frameworks Iron ion Nanocage Hybrid membrane Water-selective permeation
ISSN号	0376-7388
DOI	10.1016/j.memsci.2017.09.056
通讯作者	Pan, fusheng(fspan@tju.edu.cn)
英文摘要	Although metal-organic frameworks (mofs) with well-defined regular and porous structure have emerged as a family of nanoporous building blocks, the great potential of mofs as multi-functional fillers for hybrid membranes deserves in-depth exploitation. in this study, bimetallic mof nanocages, fe-iii-hmof-5, were prepared and incorporated into sodium alginate (sa) matrix to fabricate water-selective nanohybrid membranes. introduction of fe-iii ions into mof-5 creates more coordinatively unsaturated sites, which leads to preferential dissolution of water molecules over ethanol molecules, thus elevating the solubility selectivity. the hollow structure of feiii-hmof-5 ensures the free diffusion of water molecules. the synergistic regulation of chemical composition and physical structure of mofs endows the hybrid membranes with remarkably elevated separation factor and permeation flux. taking dehydration of 90 wt% ethanol aqueous solution as model system, the hybrid membrane containing feiii-hmof-5 exhibits the highest separation performance with separation factor of 3423 and permeation flux of 1540 g/m(2) h, much higher than those for pure sa membrane and the hybrid membranes incorporating hollow mof-5 (hmof-5) and mof-5. moreover, the hybrid membranes containing feiii-hmof-5 display remarkably superior physicochemical stabilities and long-term operation stability. this study demonstrates a promising prospect of heterometallic hollow mofs as multi-functional fillers in high-performance hybrid membranes.
WOS关键词	MIXED-MATRIX MEMBRANES ; COMPOSITE MEMBRANES ; SODIUM ALGINATE ; PERVAPORATION PERFORMANCE ; SEPARATION PERFORMANCE ; CATALYTIC-PROPERTIES ; ETHANOL DEHYDRATION ; CARBON NANOTUBES ; HYBRID MEMBRANE ; STABILITY
WOS研究方向	Engineering ; Polymer Science
WOS类目	Engineering, Chemical ; Polymer Science
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000413270200003
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2177139
专题	高能物理研究所
通讯作者	Pan, Fusheng
作者单位	1.Tianjin Univ, Sch Chem Engn & Technol, Key Lab Green Chem Technol, Tianjin 300072, Peoples R China 2.Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300072, Peoples R China 3.Chinese Acad Sci, Inst High Energy Phys, Multidiscipline Res Div, Beijing 100049, Peoples R China 4.Beijing Engn Res Ctr Radiog Tech & Equipment, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Cheng, Xuanxuan,Jiang, Zhongyi,Cheng, Xiaopo,et al. Bimetallic metal-organic frameworks nanocages as multi-functional fillers for water-selective membranes[J]. Journal of membrane science,2018,545:19-28.
APA	Cheng, Xuanxuan.,Jiang, Zhongyi.,Cheng, Xiaopo.,Guo, Song.,Tang, Lei.,...&Wang, Baoyi.(2018).Bimetallic metal-organic frameworks nanocages as multi-functional fillers for water-selective membranes.Journal of membrane science,545,19-28.
MLA	Cheng, Xuanxuan,et al."Bimetallic metal-organic frameworks nanocages as multi-functional fillers for water-selective membranes".Journal of membrane science 545(2018):19-28.

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