Bi-axially aligned crystallites of a fluorene-bithiophene co-polymer (Articolo in rivista)

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  • Bi-axially aligned crystallites of a fluorene-bithiophene co-polymer (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.eurpolymj.2012.10.014 (literal)
Alternative label
  • O. Werzer , W. Porzio , G. Trimmel , H. Plank , R. Resel (2013)
    Bi-axially aligned crystallites of a fluorene-bithiophene co-polymer
    in European Polymer Journal; Elsevier, Oxford (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • O. Werzer , W. Porzio , G. Trimmel , H. Plank , R. Resel (literal)
Pagina inizio
  • 177 (literal)
Pagina fine
  • 183 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://dx.doi.org/10.1016/j.eurpolymj.2012.10.014 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 49 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Institute of Pharmaceutical Sciences, Department of Pharmaceutical Technology, Karl-Franzens University, Graz, Austria b Institute of Solid State Physics, Graz University of Technology, Austria c Instituto per lo Studio delle Macromolecole, Consiglio Nazionale delle Ricerche, Milano, Italy d Institute for Chemistry and Technology of Materials, Graz University of Technology, Austria e Christian Doppler Laboratory for Nanocomposite Solar Cells, Graz University of Technology, Austria f Institute for Electron Microscopy, Graz University of Technology, Austria (literal)
Titolo
  • Bi-axially aligned crystallites of a fluorene-bithiophene co-polymer (literal)
Abstract
  • Thin films of the soluble conjugated poly(9,9-dioctylfluorenyl-co-bithiophene) (F8T2) on top of polyimide surfaces were investigated by X-ray diffraction measurements, atomic force and optical microscopy. In-situ temperature dependent specular X-ray diffraction experiments reveal the formation crystallites on heating. An orthorhombic unit cell of a = 1.61 nm, b = 1.28 nm and c = 6.2 nm was found which results in 16 monomer units being hosted in the unit cell at a density of 1.15 g cm?3. Morphology investigations reveal random azimutal orientations of spherulite like structures are present for samples prepared on the isotropic surface. Using a defined preparation route allowed for the alignment of the crystallites with respect of a rubbed polyimide surface resulting in bi-axially aligned F8T2 crystals as determined by X-ray diffraction polefigure measurements and optical microscopy. (literal)
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