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Proceedings Paper

Formation and properties of isoporous films composed of polymer semiconductors
Author(s): George Vamvounis; Daniel Nyström; Per Antoni; Mikael Lindgren; Anders Hult
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Paper Abstract

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 μm, 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°) were prepared because of high surface roughness. These ordered porous polymer films may find use in microelectronic and bio- and/or chemical sensor applications.

Paper Details

Date Published: 29 September 2006
PDF: 7 pages
Proc. SPIE 6401, Optical Materials in Defence Systems Technology III, 64010A (29 September 2006); doi: 10.1117/12.687555
Show Author Affiliations
George Vamvounis, Royal Institute of Technology (Sweden)
Daniel Nyström, Royal Institute of Technology (Sweden)
Per Antoni, Royal Institute of Technology (Sweden)
Mikael Lindgren, Norwegian Univ. of Science and Technology (Norway)
Anders Hult, Royal Institute of Technology (Sweden)

Published in SPIE Proceedings Vol. 6401:
Optical Materials in Defence Systems Technology III
James G. Grote; Francois Kajzar; Mikael Lindgren, Editor(s)

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