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University of Tsukuba researchers used time-resolved photoelectron emission microscopy (TR-PEEM) to probe the exciton dynamics of thermally activated delayed fluorescence organic light-emitting diodes (TADF-OLEDs). TADF-OLEDs based on solid-state substrates have significant potential for use in display technology owing to their high efficiency; however, their electron dynamics are not well understood. The TR-PEEM method showed electron accumulation that indicated exciton dissociation. It is hoped that the findings will contribute to advances in OLED displays.
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University of Tsukuba
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