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He received his degree for teaching physics and mathematics in 2008. His current research interests are degradation processes and the exciton lifetime in organic LEDs
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Setz studied electrical engineering at the University of Ulm, Germany, and received his diploma in 2008. He is working toward his PhD at OSRAM Opto Semiconductors GmbH in Regensburg
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We focus on the determination of the internal luminescence quantum efficiency of a green-emitting organic light-emitting diode (OLED). By considering different geometrical configurations of OLED thin-film stacks, we elucidate the role of the internal luminescence quantum efficiency of the emitter in the thin-film microcavity. Combining optical simulations with experimental results, a comprehensive efficiency analysis is performed. Here the electroluminescence of a set of OLEDs is characterized. Additionally, the devices are characterized using time-resolved photoluminescence measurements. The experimental data are analyzed using optical simulations. This analysis leads to a quantification of internal luminescence quantum efficiency and allows conclusions about competing mechanisms resulting in nonradiative recombination of charge carriers.
Journal of Photonics for Energy – SPIE
Published: Jan 1, 2011
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