Zacharias Philipp, Gather Malte C, Köhnen Anne, Rehmann Nina, Meerholz Klaus
Department of Chemistry, University of Cologne, Luxemburger Strasse 116, 50939 Cologne, Germany.
Angew Chem Int Ed Engl. 2009;48(22):4038-41. doi: 10.1002/anie.200805969.
Enlightening the memory: The integration of a crosslinkable photochromic dithienylperfluorocyclopentene (DTE) into organic light-emitting diodes (OLED) allows for the individualization of the emissive area of the OLED device, for example, for signage applications. The operation principle is based on switching the injection barrier for holes (positive charge carriers). Very large ON/OFF ratios of up to 3000 for current as well as electroluminescence have been achieved.
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