Selective molecular annealing: in situ small angle X-ray scattering study of microwave-assisted annealing of block copolymers

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dc.contributor.authorToolan, Daniel T. W.
dc.contributor.authorAdlington, Kevin
dc.contributor.authorIsakova, Anna
dc.contributor.authorKalamiotis, Alexis
dc.contributor.authorMokarian-Tabari, Parvaneh
dc.contributor.authorDimitrakis, Georgios
dc.contributor.authorDodds, Christopher
dc.contributor.authorArnold, Thomas
dc.contributor.authorTerrill, Nick J.
dc.contributor.authorBras, Wim
dc.contributor.authorHermida Merino, Daniel
dc.contributor.authorTopham, Paul D.
dc.contributor.authorIrvine, Derek J.
dc.contributor.authorHowse, Jonathan R.
dc.date.accessioned2017-09-11T13:51:17Z
dc.date.available2017-09-11T13:51:17Z
dc.date.issued2017-07-10
dc.date.updated2017-09-11T13:42:29Z
dc.description.abstractMicrowave annealing has emerged as an alternative to traditional thermal annealing approaches for optimising block copolymer self-assembly. A novel sample environment enabling small angle X-ray scattering to be performed in situ during microwave annealing is demonstrated, which has enabled, for the first time, the direct study of the effects of microwave annealing upon the self-assembly behavior of a model, commercial triblock copolymer system [polystyrene-block-poly(ethylene-co-butylene)-block-polystyrene]. Results show that the block copolymer is a poor microwave absorber, resulting in no change in the block copolymer morphology upon application of microwave energy. The block copolymer species may only indirectly interact with the microwave energy when a small molecule microwave-interactive species [diethylene glycol dibenzoate (DEGDB)] is incorporated directly into the polymer matrix. Then significant morphological development is observed at DEGDB loadings [greater-than-or-equal]6 wt%. Through spatial localisation of the microwave-interactive species, we demonstrate targeted annealing of specific regions of a multi-component system, opening routes for the development of "smart" manufacturing methodologies.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationToolan, Daniel T. W.; Adlington, Kevin; Isakova, Anna; Kalamiotis, Alexis; Mokarian-Tabari, Parvaneh; Dimitrakis, Georgios; Dodds, Christopher; Arnold, Thomas; Terrill, Nick J.; Bras, Wim; Hermida Merino, Daniel; Topham, Paul D.; Irvine, Derek J.; Howse, Jonathan R. (2017) 'Selective molecular annealing: in situ small angle X-ray scattering study of microwave-assisted annealing of block copolymers'. Physical Chemistry Chemical Physics, 19 (31):20412-20419. doi:10.1039/C7CP03578Ken
dc.identifier.doi10.1039/C7CP03578K
dc.identifier.endpage20419en
dc.identifier.issn1463-9076
dc.identifier.issued31en
dc.identifier.journaltitlePhysical Chemistry Chemical Physicsen
dc.identifier.startpage20412en
dc.identifier.urihttps://hdl.handle.net/10468/4677
dc.identifier.volume19en
dc.language.isoenen
dc.publisherRoyal Society of Chemistryen
dc.rights© Royal Society of Chemistry 2017. This document is the Accepted Manuscript version of a Published Work that appeared in final form in Physical Chemistry Chemical Physics, after peer review and technical editing by the publisher. To access the final edited and published work see http://dx.doi.org/10.1039/C7CP03578Ken
dc.subjectMicrowave annealingen
dc.subjectBlock copolymer self-assemblyen
dc.subjectBlock copolymer speciesen
dc.titleSelective molecular annealing: in situ small angle X-ray scattering study of microwave-assisted annealing of block copolymersen
dc.typeArticle (peer-reviewed)en
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