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Issue 42, 2016
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Stretched homoporous composite membranes with elliptic nanopores for external-energy-free ultrafiltration

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Abstract

Extremely permeable ultrafiltration membranes with elongated elliptical pores are fabricated by stretching composite membranes with homoporous selective layers and macroporous supports. With simultaneously increased porosities both for the selective layers and supports and the thinned selective layers, the stretched membranes exhibit multifold-enhanced permeability with little sacrifice in selectivities. Thus the produced membranes enable, for the first time, gravity-driven ultrafiltration and discrimination of similarly sized nanoparticles with diameters down to 30 nm.

Graphical abstract: Stretched homoporous composite membranes with elliptic nanopores for external-energy-free ultrafiltration

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Supplementary files

Article information


Submitted
13 Feb 2016
Accepted
19 Apr 2016
First published
19 Apr 2016

Chem. Commun., 2016,52, 6899-6902
Article type
Communication

Stretched homoporous composite membranes with elliptic nanopores for external-energy-free ultrafiltration

L. Guo, L. Wang and Y. Wang, Chem. Commun., 2016, 52, 6899
DOI: 10.1039/C6CC01353H

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