This title appears in the Scientific Report :
2020
Please use the identifier:
http://dx.doi.org/10.1007/s12274-020-2959-6 in citations.
Please use the identifier: http://hdl.handle.net/2128/26923 in citations.
Interfacially stable MOF nanosheet membrane with tailored nanochannels for ultrafast and thermo-responsive nanofiltration
Interfacially stable MOF nanosheet membrane with tailored nanochannels for ultrafast and thermo-responsive nanofiltration
Two-dimensional nanosheet membranes with responsive nanochannels are appealing for controlled mass transfer/separation, but limited by everchanging thicknesses arising from unstable interfaces. Herein, an interfacially stable, thermo-responsive nanosheet membrane is assembled from twin-chain stabili...
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Personal Name(s): | Jia, Wei |
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Wu, Baohu / Sun, Shengtong (Corresponding author) / Wu, Peiyi (Corresponding author) | |
Contributing Institute: |
JCNS-4; JCNS-4 Heinz Maier-Leibnitz Zentrum; MLZ Neutronenstreuung; JCNS-1 JCNS-FRM-II; JCNS-FRM-II |
Published in: | Nano research, 13 (2020) S. 2973-2978 |
Imprint: |
New York, NY [u.a.]
Springer
2020
|
DOI: |
10.1007/s12274-020-2959-6 |
Document Type: |
Journal Article |
Research Program: |
FRM II / MLZ Jülich Centre for Neutron Research (JCNS) Soft Matter, Health and Life Sciences |
Subject (ZB): | |
Link: |
Restricted Published on 2020-08-04. Available in OpenAccess from 2021-08-04. |
Publikationsportal JuSER |
Please use the identifier: http://hdl.handle.net/2128/26923 in citations.
Two-dimensional nanosheet membranes with responsive nanochannels are appealing for controlled mass transfer/separation, but limited by everchanging thicknesses arising from unstable interfaces. Herein, an interfacially stable, thermo-responsive nanosheet membrane is assembled from twin-chain stabilized metal-organic framework (MOF) nanosheets, which function via two cyclic amide-bearing polymers, thermo-responsive poly(N-vinyl caprolactam) (PVCL) for adjusting channel size, and non-responsive polyvinylpyrrolidone for supporting constant interlayer distance. Owing to the microporosity of MOF nanosheets and controllable interface wettability, the hybrid membrane demonstrates both superior separation performance and stable thermo-responsiveness. Scattering and correlation spectroscopic analyses further corroborate the respective roles of the two polymers and reveal the microenvironment changes of nanochannels are motivated by the dehydration of PVCL chains. |