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Structures in multi-component polymer films: their formation, observation and applications in electronics and biotechnology
M. Smoluchowski Institute of Physics and Research Centre for Nanometer-Scale Science and Advanced Materials (NANOSAM) Jagiellonian University, Reymonta 4, 30-059 Krakow, Poland.
Faculty of Physics and Applied Computer Science, AGH-University of Science and Technology, Al. Mickiewicza 30, Krakow 30–059, Poland.
Karlstads universitet, Fakulteten för teknik- och naturvetenskap, Avdelningen för fysik och elektroteknik. (Materialvetenskap)ORCID-id: 0000-0002-1609-8909
The Henryk Niewodnicza¶nski Institute of Nuclear Physics Polish Academy of Sciences, Radzikowskiego 152, 31-342 Krakow, Poland.
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2009 (Engelska)Ingår i: Acta Physica Polonica. A, ISSN 0587-4246, E-ISSN 1898-794X, Proceedings of the XLII Zakopane School of Physics, Zakopane 2008, Vol. 115, nr 2, s. 435-440Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Several strategies to form multicomponent films of functional polymers, with micron, submicron and nanometer structures, intended for plastic electronics and biotechnology are presented. These approaches are based on film deposition from polymer solution onto a rotating substrate (spin-casting), a method implemented already on manufacturing lines. Film structures are determined with compositional (nanometer) depth profiling and (submicron) imaging modes of dynamic secondary ion mass spectrometry, near-field scanning optical microscopy (with submicron resolution) and scanning probe microscopy (revealing nanometer features). Self-organization of spin-cast polymer mixtures is discussed in detail, since it o®ers a one-step process to deposit and align simultaneously domains, rich in di®erent polymers, forming various device elements: (i) Surface segregation drives self-stratification of nanometer lamellae for solar cells and anisotropic conductors. (ii) Cohesion energy density controls morphological transition from lamellar (optimal for encapsulated transistors) to lateral structures (suggested for light emitting diodes with variable color). (iii) Selective adhesion to substrate microtemplates, patterned chemically, orders lateral structures for plastic circuitries. (iv) Submicron imprints of water droplets (breath figures) decorate selectively micron-sized domains, and can be used in devices with hierarchic structure. In addition, selective protein adsorption to regular polymer micropatterns, formed with soft lithography after spin-casting, suggests applications in protein chip technology. An approach to reduce lateral blend film structures to submicron scale is also presented, based on (annealed) films of multicomponent nanoparticles

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Warsaw: Polish Academy of Sciences, Institute of Physics , 2009. Vol. 115, nr 2, s. 435-440
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URN: urn:nbn:se:kau:diva-11157DOI: 10.12693/APhysPolA.115.435OAI: oai:DiVA.org:kau-11157DiVA, id: diva2:494726
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42nd Zakopane School of Physics International Symposium Breaking Frontiers, May 19-25, 2008 Zakopane, POLAND.
Tillgänglig från: 2012-02-08 Skapad: 2012-02-08 Senast uppdaterad: 2018-07-20Bibliografiskt granskad

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Förlagets fulltexthttp://przyrbwn.icm.edu.pl/APP/PDF/115/a115z202.pdf

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