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Formation and properties of isoporous films composed of polymer semiconductors
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
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2006 (English)In: Optical Materials in Defence Systems Technology III / [ed] rote, JG; Kajzar, F; Lindgren, M, BELLINGHAM, WA: SPIE-INT SOC OPTICAL ENGINEERING , 2006, Vol. 6401, U64-U70 p.Conference paper, Published paper (Refereed)
Abstract [en]

Ordered hexagonal arrays of isoporous films prepared from poly(9,9'-dihexylfluorene) and polystyrene grafted silica nanoparticles (Si-graft-PS) are presented. These close packed arrays were formed in areas of many square millimeters. The pore size varied from 2.9 - 8.5 mu m, depending on the concentration of Si-graft-PS and the processing conditions. Solid state photoluminescence resulted in a significant red shift of up to 30 nm in these films compared to conventional processing techniques. These differences are attributed to induced aggregation of the polymers caused by polymer- solvent interactions. Interfacial properties were investigated, and it was found that hydrophobic surfaces (contact angles of up to 129 degrees) were prepared because of high surface roughness. These ordered porous polymer films may find use in microelectronic and bio- and/or chemical sensor applications.

Place, publisher, year, edition, pages
BELLINGHAM, WA: SPIE-INT SOC OPTICAL ENGINEERING , 2006. Vol. 6401, U64-U70 p.
Series
PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE), ISSN 0277-786X ; 6401
Keyword [en]
conjugated polymers, poly(9, 9-dialkylfluorene), isoporous films, honeycomb structures, hydrophobic surfaces
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-42095DOI: 10.1117/12.687555ISI: 000243917600007Scopus ID: 2-s2.0-33846217409ISBN: 978-0-8194-6499-6 (print)OAI: oai:DiVA.org:kth-42095DiVA: diva2:446493
Conference
Conference on Optical Materials in Defence Systems Technology III. Stockholm, SWEDEN. SEP 13-14, 2006
Note
QC 20111007Available from: 2011-10-07 Created: 2011-10-05 Last updated: 2011-10-07Bibliographically approved

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