Effects of Postannealing on the Characteristics and Reliability of Polyfluorene Organic Light-Emitting Diodes
IEEE Transactions on Electron Devices（2019）
摘要
We studied the effects of postannealing on the performance of polyfluorene organic light-emitting diodes (OLEDs) with a pure poly(9,9' -dioctylfluorene-co-benzothiadiazole) (F8BT) emissive layer. After annealing at 150 °C-200 °C, the OLED exhibited the lowest voltage and highest luminance. This correlated well with the highest crystallinity of the F8BT film, as revealed by X-ray diffraction. As th...
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关键词
Organic light emitting diodes,Annealing,Charge carrier processes,Glass,Indium tin oxide,Performance evaluation,Polymers
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