TY  - JOUR
AU  - Jia, Wei
AU  - Wu, Baohu
AU  - Sun, Shengtong
AU  - Wu, Peiyi
TI  - Interfacially stable MOF nanosheet membrane with tailored nanochannels for ultrafast and thermo-responsive nanofiltration
JO  - Nano research
VL  - 13
SN  - 1998-0000
CY  - New York, NY [u.a.]
PB  - Springer
M1  - FZJ-2020-02858
SP  - 2973-2978
PY  - 2020
AB  - 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.
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000555405300002
DO  - DOI:10.1007/s12274-020-2959-6
UR  - https://juser.fz-juelich.de/record/878450
ER  -