Micellar Self-Assembly of Block Copolymers for Fabrication of Nanostructured Membranes

Handle URI:
http://hdl.handle.net/10754/306735
Title:
Micellar Self-Assembly of Block Copolymers for Fabrication of Nanostructured Membranes
Authors:
Marques, Debora S.
Abstract:
This research work examines the process of block copolymer membrane fabrication by self-assembly combined by non-solvent induced phase separation. Self-assembly takes place from the preparation of the primordial solution until the moment of immersion in a non-solvent bath. These mechanisms are driven thermodynamically but are limited by kinetic factors. It is shown in this work how the ordering of the assembly of micelles is improved by the solution parameters such as solvent quality and concentration of block copolymer. Order transitions are detected, yielding changes in the morphology. The evaporation of the solvents after casting is demonstrated to be essential to reach optimum membrane structure. The non-solvent bath stops the phase separation at an optimum evaporation time.
Advisors:
Nunes, Suzana Pereira ( 0000-0002-3669-138X )
Committee Member:
Alshareef, Husam N.; Bakr, Osman M.; Beaujuge, Pierre M.; Peinemann, Klaus-Viktor
KAUST Department:
Physical Sciences and Engineering (PSE) Division
Program:
Materials Science and Engineering
Issue Date:
Nov-2013
Type:
Dissertation
Appears in Collections:
Dissertations; Physical Sciences and Engineering (PSE) Division; Materials Science and Engineering Program

Full metadata record

DC FieldValue Language
dc.contributor.advisorNunes, Suzana Pereiraen
dc.contributor.authorMarques, Debora S.en
dc.date.accessioned2013-12-12T13:11:53Z-
dc.date.available2013-12-12T13:11:53Z-
dc.date.issued2013-11en
dc.identifier.urihttp://hdl.handle.net/10754/306735en
dc.description.abstractThis research work examines the process of block copolymer membrane fabrication by self-assembly combined by non-solvent induced phase separation. Self-assembly takes place from the preparation of the primordial solution until the moment of immersion in a non-solvent bath. These mechanisms are driven thermodynamically but are limited by kinetic factors. It is shown in this work how the ordering of the assembly of micelles is improved by the solution parameters such as solvent quality and concentration of block copolymer. Order transitions are detected, yielding changes in the morphology. The evaporation of the solvents after casting is demonstrated to be essential to reach optimum membrane structure. The non-solvent bath stops the phase separation at an optimum evaporation time.en
dc.language.isoenen
dc.subjectBlock Copolymeren
dc.subjectSelf-assemblyen
dc.subjectMembraneen
dc.titleMicellar Self-Assembly of Block Copolymers for Fabrication of Nanostructured Membranesen
dc.typeDissertationen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
thesis.degree.grantorKing Abdullah University of Science and Technologyen_GB
dc.contributor.committeememberAlshareef, Husam N.en
dc.contributor.committeememberBakr, Osman M.en
dc.contributor.committeememberBeaujuge, Pierre M.en
dc.contributor.committeememberPeinemann, Klaus-Viktoren
thesis.degree.disciplineMaterials Science and Engineeringen
thesis.degree.nameDoctor of Philosophyen
dc.person.id101947en
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