Effect of Au nanoparticle spatial distribution on the stability of thin polymer films

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dc.contributor.authorAmarandei, George
dc.contributor.authorO'Dwyer, Colm
dc.contributor.authorArshak, Arousian
dc.contributor.authorThiele, Uwe
dc.contributor.authorSteiner, Ullrich
dc.contributor.authorCorcoran, David
dc.contributor.funderSeventh Framework Programmeen
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2018-05-16T11:46:28Z
dc.date.available2018-05-16T11:46:28Z
dc.date.issued2013-05-21
dc.date.updated2018-05-15T23:09:53Z
dc.description.abstractThe stability of thin poly(methyl-methacrylate) (PMMA) films of low molecular weight on a solid substrate is controlled by the areal coverage of gold nanoparticles (NPs) present at the air–polymer interface. As the polymer becomes liquid the Au NPs are free to diffuse, coalesce, and aggregate while the polymer film can change its morphology through viscous flow. These processes lead at the same time to the formation of a fractal network of Au NPs and to the development of spinodal instabilities of the free surface of the polymer films. For thinner films a single wavelength is observed, while for thicker films two wavelengths compete. With continued heating the aggregation process results in a decrease in coverage, the networks evolve into disordered particle assemblies, while the polymer films flatten again. The disordering occurs first on the smallest scales and coincides (in thicker films) with the disappearance of the smaller wavelength. The subsequent disordering on larger scales causes the films to flatten.en
dc.description.sponsorshipSeventh Framework Programme (EU Framework 7 for projects MRTN-CT-2004005728 (PATTERNS)); Science Foundation Ireland (Tyndall National Institute through Science Foundation Ireland (SFI) funded National Access Programme (Project NAP 200));en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationAmarandei, G., O’Dwyer, C., Arshak, A., Thiele, U., Steiner, U. and Corcoran, D. (2013) 'Effect of Au Nanoparticle Spatial Distribution on the Stability of Thin Polymer Films', Langmuir, 29(22), pp. 6706-6714. doi: 10.1021/la400659qen
dc.identifier.doi10.1021/la400659q
dc.identifier.endpage6714en
dc.identifier.issn0743-7463
dc.identifier.issued22en
dc.identifier.journaltitleLangmuiren
dc.identifier.startpage6706en
dc.identifier.urihttps://hdl.handle.net/10468/6125
dc.identifier.volume29en
dc.language.isoenen
dc.publisherAmerican Chemical Society (ACS)en
dc.relation.projectinfo:eu-repo/grantAgreement/EC/FP7::SP3::PEOPLE/239426/EU/Control and Application of Field Induced Polymer Patterns/POLYPATTen
dc.relation.projectinfo:eu-repo/grantAgreement/EC/FP7::SP3::PEOPLE/214919/EU/MULTI-SCALE COMPLEX FLUID FLOWS and INTERFACIAL PHENOMENA/MULTIFLOWen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Stokes Professorship & Lectureship Programme/07/SK/B1232a/IE/Colm ODwyer/en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Short Term Travel Fellowship (STTF)/07/SK/B1232a - STTF 11/IE/Optical Probing of Phase Changes in Inverse opal Photonic Crystal Li-on Battery Electrodes/en
dc.rights© 2013 American Chemical Society. This document is the Accepted Manuscript version of a Published Work that appeared in final form in Langmuir, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/abs/10.1021/la400659qen
dc.subjectGold nanoparticlesen
dc.subjectThin polymer filmen
dc.subjectStabilityen
dc.subjectSpinodalen
dc.subjectDewettingen
dc.titleEffect of Au nanoparticle spatial distribution on the stability of thin polymer filmsen
dc.typeArticle (peer-reviewed)en
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