制作了结构为ITO/MEH-PPV/Al的单层聚合物有机发光器件(PLED),在镀铝电极前后分别对器件进行高于MEH-PPV玻璃化温度的退火处理.结果表明,镀铝电极后的退火处理可使器件的效率提高30%左右,器件的寿命增加40%左右;而镀铝电极前的退火处理对器件影响不大.
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