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dc.contributor.authorMadhavan, Poornima
dc.contributor.authorPeinemann, Klaus-Viktor
dc.contributor.authorNunes, Suzana Pereira
dc.date.accessioned2015-08-03T11:14:54Z
dc.date.available2015-08-03T11:14:54Z
dc.date.issued2013-07-15
dc.identifier.citationMadhavan, P., Peinemann, K.-V., & Nunes, S. P. (2013). Complexation-Tailored Morphology of Asymmetric Block Copolymer Membranes. ACS Applied Materials & Interfaces, 5(15), 7152–7159. doi:10.1021/am401497m
dc.identifier.issn19448244
dc.identifier.pmid23815587
dc.identifier.doi10.1021/am401497m
dc.identifier.urihttp://hdl.handle.net/10754/562906
dc.description.abstractHydrogen-bond formation between polystyrene-b-poly (4-vinylpyridine) (PS-b-P4VP) block copolymer (BCP) and -OH/-COOH functionalized organic molecules was used to tune morphology of asymmetric nanoporous membranes prepared by simultaneous self-assembly and nonsolvent induced phase separation. The morphologies were characterized by field emmision scanning electron microscopy (FESEM) and atomic force microscopy (AFM). Hydrogen bonds were confirmed by infrared (IR), and the results were correlated to rheology characterization. The OH-functionalized organic molecules direct the morphology into hexagonal order. COOH-functionalized molecules led to both lamellar and hexagonal structures. Micelle formation in solutions and their sizes were determined using dynamic light scattering (DLS) measurements and water fluxes of 600-3200 L/m 2·h·bar were obtained. The pore size of the plain BCP membrane was smaller than with additives. The following series of additives led to pores with hexagonal order with increasing pore size: terephthalic acid (COOH-bifunctionalized) < rutin (OH-multifunctionalized) < 9-anthracenemethanol (OH-monofunctionalized) < 3,5-dihydroxybenzyl alcohol (OH-trifunctionalized). © 2013 American Chemical Society.
dc.publisherAmerican Chemical Society (ACS)
dc.subjectblock copolymers
dc.subjecthydrogen bond
dc.subjectmembranes
dc.subjectself-assembly
dc.titleComplexation-tailored morphology of asymmetric block copolymer membranes
dc.typeArticle
dc.contributor.departmentAdvanced Membranes and Porous Materials Research Center
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Division
dc.contributor.departmentChemical Engineering Program
dc.contributor.departmentEnvironmental Science and Engineering Program
dc.contributor.departmentNanostructured Polymeric Membrane Lab
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.contributor.departmentWater Desalination and Reuse Research Center (WDRC)
dc.identifier.journalACS Applied Materials & Interfaces
kaust.personPeinemann, Klaus-Viktor
kaust.personNunes, Suzana Pereira
kaust.personMadhavan, Poornima
dc.date.published-online2013-07-15
dc.date.published-print2013-08-14


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