【摘要】 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。更多还原

【Abstract】 The effects of thermal annealing on the performance of the ITO/MEHPPV/Al device was investigated . The thermal annealing was performed at the temperature above the glass transition temperature of MEHPPV before and after Al deposition, respectively. It is remarkable that the annealing treatment after Al deposition makes the EL efficiency enhanced about 30% and increases the half decay time about 40%, while the annealing treatment before Al deposition has little effect on the device.更多还原