25 April 2008 Performance of organic light-emitting diodes with remote metallic contact using high mobility electron-transport layers
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Abstract
In this manuscript, we report on the performance of organic light-emitting diodes with remote metallic contact using N,N'-ditridecylperylene-3,4,9,10-tetracarboxylic diimide (PTCDI-C13H27) as well as perfluorohexyl-sustituted quaterthiophenes (DHF-4T) as the electron-transport material. Both materials exhibit high electron field-effect mobility. An electron mobility of 0.123 cm2/Vs is demonstrated for DHF-4T. The wide optical bandgap of DHF-4T allows reduction of the light absorption in the region of interest compared to PTCDI-C13H27. In this way an external quantum efficiency of 0.25% could be obtained. This is a factor of 10 larger than in PTCDI-C13H27 based devices.
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Sarah Schols, Christina McClatchey, Jan Genoe, Paul Heremans, Antonio Facchetti, "Performance of organic light-emitting diodes with remote metallic contact using high mobility electron-transport layers", Proc. SPIE 6999, Organic Optoelectronics and Photonics III, 699910 (25 April 2008); doi: 10.1117/12.779975; https://doi.org/10.1117/12.779975
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