Media type: E-Article Title: Photoexcitation dynamics in polyfluorene-based thin films: Energy transfer and amplified spontaneous emission Contributor: Marciniak, Henning; Teicher, Maik; Scherf, Ullrich; Trost, Sara; Riedl, Thomas; Lehnhardt, Marcus; Rabe, Torsten; Kowalsky, Wolfgang; Lochbrunner, Stefan imprint: American Physical Society (APS), 2012 Published in: Physical Review B Language: English DOI: 10.1103/physrevb.85.214204 ISSN: 1098-0121; 1550-235X Keywords: Condensed Matter Physics ; Electronic, Optical and Magnetic Materials Origination: Footnote: