Multicolor electroluminescence and stimulated emission of conjugated polymers and oligomers

Guenther Leising; Olov Ekstroem; Wilhelm Graupner; Farideh Meghdadi; Markus Moser; Gerald Kranzelbinder; Thomas Jost; Stefan Tasch; Berthold Winkler; Laurence Athouel; Gerard Froyer; Ullrich Scherf; Klaus Muellen; Guglielmo Lanzani; Mauro Nisoli; Sandro De Silvestri

doi:10.1117/12.256174

1 November 1996 Multicolor electroluminescence and stimulated emission of conjugated polymers and oligomers

Guenther Leising, Olov Ekstroem, Wilhelm Graupner, Farideh Meghdadi, Markus Moser, Gerald Kranzelbinder, Thomas Jost, Stefan Tasch, Berthold Winkler, Laurence Athouel, Gerard Froyer, Ullrich Scherf, Klaus Muellen, Guglielmo Lanzani, Mauro Nisoli, Sandro De Silvestri

Author Affiliations +

Proceedings Volume 2852, Nonlinear Optical Properties of Organic Materials IX; (1996) https://doi.org/10.1117/12.256174
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

We present efficient blue electroluminescence devices based on pure soluble poly(paraphenylene) polymers and poly(phenylene) oligomers. Highly efficient green and red emission light is produced with a new color conversion technique by pumping fluorescent dye layers with blue organic light-emitting diodes. The high intrachain order of the laddertype poly(paraphenylene) allows us to observe stimulated emission in the blue-green spectral regions, which does not compete with dissipative processes, like in other conjugated polymers. We discuss the state of the art situation to realize an optically pumped homopolymer solid state laser.

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Guenther Leising, Olov Ekstroem, Wilhelm Graupner, Farideh Meghdadi, Markus Moser, Gerald Kranzelbinder, Thomas Jost, Stefan Tasch, Berthold Winkler, Laurence Athouel, Gerard Froyer, Ullrich Scherf, Klaus Muellen, Guglielmo Lanzani, Mauro Nisoli, and Sandro De Silvestri "Multicolor electroluminescence and stimulated emission of conjugated polymers and oligomers", Proc. SPIE 2852, Nonlinear Optical Properties of Organic Materials IX, (1 November 1996); https://doi.org/10.1117/12.256174

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