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首页> 外文期刊>Japanese Journal of Applied Physics. Part 1, Regular Papers, Brief Communications & Review Papers >Effect of Post Annealing on Performance of Polymer Light-Emitting Devices
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Effect of Post Annealing on Performance of Polymer Light-Emitting Devices

机译:后退火对聚合物发光器件性能的影响

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摘要

A high luminescence and a high efficiency could be obtained for polymer light emitting diodes (PLEDs) after post annealing at an appropriate temperature. Calcium was used as the cathode material of light emitting diodes based on 2,3-dibutoxy-1,4-poly(phenylene vinylene) (DB-PPV). Ca diffused into polymer and degraded the performance after PLEDs were post annealed at various temperatures except for 120℃. The luminescence of PLEDs reached 5343 cd/m~2 after annealing at 120℃. The corresponding efficiency under the condition was 3.04 cd/A. Both high luminescence and efficiency were greatly enhanced after PLEDs were annealed at 120℃.
机译:在适当的温度下进行后退火之后,对于聚合物发光二极管(PLED)可以获得高发光度和高效率。钙被用作基于2,3-二丁氧基-1,4-聚亚苯基亚乙烯基(DB-PPV)的发光二极管的阴极材料。 Ca在120℃以外的其他温度下进行退火后,Ca扩散到聚合物中并降低性能。 120℃退火后,PLED的发光度达到5343 cd / m〜2。该条件下的相应效率为3.04 cd / A。 PLED在120℃下退火后,高发光效率都得到了极大的提高。

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