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题名: Thermoresponsive Ultrathin Membranes with Precisely Tuned Nanopores for High-Flux Separation
作者: Zhu, YZ(朱玉长); Gao, SJ(高守建); Hu, L(胡亮); Jin, J(靳健)
通讯作者: Jin, J(靳健)
刊名: ACS APPLIED MATERIALS & INTERFACES
发表日期: 2016
DOI: 10.1021/acsami.6b03389
卷: 8, 期:21
收录类别: SCI ; EI
文章类型: 期刊论文
部门归属: 纳米仿生研究部
英文摘要: With the growing demand for small-and large-scale bioprocesses, advanced, membranes with high energy efficiency are highly required. However, conventional polymer-based membranes often have to sacrifice selectivity for permeability. In this work, we report the fabrication of a thermoresponsive composite ultrathin membrane with precisely controlled nanopores for high throughput separation. The composite membrane is made by grafting a PEG analogue thermoresponsive copolymer onto an ultrathin single-wall carbon nanotubes (SWCNTs), membrane via pi-pi interaction with no use of the common "grafting from" synthesis approach. The composite membrane exhibits ultrahigh water permeation flux as high as 6430 L m(-2) h(-1) at 40 degrees C, and more importantly, the pore size of the membrane could be finely adjusted by utilizing the thermoresponsive property of the grafted copolymer. With the temperature changing below and above the lower critical solution temperature (LCST) of the copolymer, the effective pore size of the membrane can be tuned precisely between approximately 12 and 14 nm, which could be applied to effectively separate materials with very small size differences through size sieving.
关键词[WOS]: WALLED CARBON NANOTUBES ; TRANSFER RADICAL POLYMERIZATION ; BLOCK-COPOLYMER ; PHASE-SEPARATION ; WATER-PURIFICATION ; GATING MEMBRANE ; FILMS ; FUNCTIONALIZATION ; TECHNOLOGY ; FILTRATION
语种: 英语
JCR小类分区: 一区
WOS记录号: WOS:000377150400049
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/4525
Appears in Collections:纳米仿生研究部_靳健团队_期刊论文

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Recommended Citation:
Zhu, YZ,Gao, SJ,Hu, L,et al. Thermoresponsive Ultrathin Membranes with Precisely Tuned Nanopores for High-Flux Separation[J]. ACS APPLIED MATERIALS & INTERFACES,2016,8(21).
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文件名: Zhu-2016-Thermoresponsive Ultrathin Membranes.pdf
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