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R. Schüppel, T. Dienel, K. Leo, M. Hoffmann, Time-Resolved Luminescence Quenching in Thin Films of Perylene-Tetracarboxylic-Dianhydride J. Lum. 110 (2004), 309. | |
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| Abstract | |
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We present luminescence quenching experiments and determine the exciton diffusion length in polycrystalline thin
films of PTCDA (perylene-3,4,9,10-tetracarboxylic-dianhydride). From an analysis of time-resolved experiments, we
can distinguish between exciton transport during an ultra-fast initial relaxation phase and transport in the long-living
emitting states. The temperature dependence of the exciton diffusion constant in the emitting states indicates thermally
activated hopping.
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| DOI:10.1016/j.jlumin.2004.08.026 (direct link to publisher) | |
| pdf file of manuscript version | |
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homepage M. Hoffmann | |
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| last updated: M. Hoffmann, Dec 2007 |