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Formation and properties of isoporous films composed of polymer semiconductors
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik.
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik.
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik.
Vise andre og tillknytning
2006 (engelsk)Inngår i: Optical Materials in Defence Systems Technology III / [ed] rote, JG; Kajzar, F; Lindgren, M, BELLINGHAM, WA: SPIE-INT SOC OPTICAL ENGINEERING , 2006, Vol. 6401, s. U64-U70Konferansepaper, Publicerat paper (Fagfellevurdert)
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.

sted, utgiver, år, opplag, sider
BELLINGHAM, WA: SPIE-INT SOC OPTICAL ENGINEERING , 2006. Vol. 6401, s. U64-U70
Serie
PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE), ISSN 0277-786X ; 6401
Emneord [en]
conjugated polymers, poly(9, 9-dialkylfluorene), isoporous films, honeycomb structures, hydrophobic surfaces
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-42095DOI: 10.1117/12.687555ISI: 000243917600007Scopus ID: 2-s2.0-33846217409ISBN: 978-0-8194-6499-6 (tryckt)OAI: oai:DiVA.org:kth-42095DiVA, id: diva2:446493
Konferanse
Conference on Optical Materials in Defence Systems Technology III. Stockholm, SWEDEN. SEP 13-14, 2006
Merknad
QC 20111007Tilgjengelig fra: 2011-10-07 Laget: 2011-10-05 Sist oppdatert: 2011-10-07bibliografisk kontrollert

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