Bioinspired graphene membrane with temperature tunable channels for water gating and molecular separation

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Bioinspired graphene membrane with temperature tunable channels for water gating and molecular separation

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Title: Bioinspired graphene membrane with temperature tunable channels for water gating and molecular separation
Author: Liu, Jingchong; Wang, Nü; Yu, Li-Juan; Karton, Amir; Li, Wen; Zhang, Weixia; Guo, Fengyun; Hou, Lanlan; Cheng, Qunfeng; Jiang, Lei; Weitz, David A.; Zhao, Yong

Note: Order does not necessarily reflect citation order of authors.

Citation: Liu, J., N. Wang, L. Yu, A. Karton, W. Li, W. Zhang, F. Guo, et al. 2017. “Bioinspired graphene membrane with temperature tunable channels for water gating and molecular separation.” Nature Communications 8 (1): 2011. doi:10.1038/s41467-017-02198-5. http://dx.doi.org/10.1038/s41467-017-02198-5.
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Abstract: Smart regulation of substance permeability through porous membranes is highly desirable for membrane applications. Inspired by the stomatal closure feature of plant leaves at relatively high temperature, here we report a nano-gating membrane with a negative temperature-response coefficient that is capable of tunable water gating and precise small molecule separation. The membrane is composed of poly(N-isopropylacrylamide) covalently bound to graphene oxide via free-radical polymerization. By virtue of the temperature tunable lamellar spaces of the graphene oxide nanosheets, the water permeance of the membrane could be reversibly regulated with a high gating ratio. Moreover, the space tunability endows the membrane with the capability of gradually separating multiple molecules of different sizes. This nano-gating membrane expands the scope of temperature-responsive membranes and has great potential applications in smart gating systems and molecular separation.
Published Version: doi:10.1038/s41467-017-02198-5
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5722819/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:34652054
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