Block copolymer hollow fiber membranes with catalytic activity and pH-response
Behzad, Ali Reza
Nunes, Suzana Pereira
KAUST DepartmentAdvanced Membranes and Porous Materials Research Center
Advanced Nanofabrication, Imaging and Characterization Core Lab
Biological and Environmental Sciences and Engineering (BESE) Division
Chemical Engineering Program
Environmental Science and Engineering Program
Imaging and Characterization Core Lab
Nanostructured Polymeric Membrane Lab
Physical Science and Engineering (PSE) Division
Water Desalination and Reuse Research Center (WDRC)
Online Publication Date2013-08-05
Print Publication Date2013-08-14
Permanent link to this recordhttp://hdl.handle.net/10754/562907
MetadataShow full item record
AbstractWe fabricated block copolymer hollow fiber membranes with self-assembled, shell-side, uniform pore structures. The fibers in these membranes combined pores able to respond to pH and acting as chemical gates that opened above pH 4, and catalytic activity, achieved by the incorporation of gold nanoparticles. We used a dry/wet spinning process to produce the asymmetric hollow fibers and determined the conditions under which the hollow fibers were optimized to create the desired pore morphology and the necessary mechanical stability. To induce ordered micelle assembly in the doped solution, we identified an ideal solvent mixture as confirmed by small-angle X-ray scattering. We then reduced p-nitrophenol with a gold-loaded fiber to confirm the catalytic performance of the membranes. © 2013 American Chemical Society.
CitationHilke, R., Pradeep, N., Madhavan, P., Vainio, U., Behzad, A. R., Sougrat, R., … Peinemann, K.-V. (2013). Block Copolymer Hollow Fiber Membranes with Catalytic Activity and pH-Response. ACS Applied Materials & Interfaces, 5(15), 7001–7006. doi:10.1021/am401163h
PublisherAmerican Chemical Society (ACS)
CollectionsArticles; Biological and Environmental Science and Engineering (BESE) Division; Advanced Membranes and Porous Materials Research Center; Environmental Science and Engineering Program; Imaging and Characterization Core Lab; Physical Science and Engineering (PSE) Division; Chemical Engineering Program; Water Desalination and Reuse Research Center (WDRC)
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