Journal
RSC ADVANCES
Volume 7, Issue 52, Pages 32806-32811Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra05385a
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Funding
- Carl Zeiss Foundation
- Landesgraduiertenforderung Baden-Wurttemberg
- Deutsche Forschungsgemeinschaft
- Open Access Publishing Fund of Karlsruhe Institute of Technology
- Karlsruhe Nano Micro Facility (KNMF)
- Helmholtz Research Infrastructure at Karlsruhe Institute of Technology (KIT)
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Membranes inspired by special wetting properties of aquatic plant leaves enable selective removal of either oil or water from oil/water mixtures by filtration. Here, we introduce polymeric micro-and nanohair-covered porous membranes fabricated using highly scalable fabrication methods: hot pulling and perforation with microneedles. The as-prepared superhydrophobic/superoleophilic oil-removing membranes are converted into underwater superoleophobic water-removing membranes by argon plasma treatment. Membrane permeability and breakthrough pressures are analyzed and compared to theory, and the efficiency of both types of membranes for oil/water separation is demonstrated.
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