有机基质中高效自组装CdSe/ZnS量子点发光器件

A. Uddin, C. Teo
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引用次数: 0

摘要

我们制备并研究了CdSe/ZnS量子点(QD)浓度对自组装有机/无机混合发光二极管(QD- oled)的影响。采用传统的自旋镀膜方法,实现了密度可控的量子点均匀分布。有一个量子点阈值浓度,低于该阈值浓度,量子点就没有辐射。估计QD浓度在9×1011 cm−2左右时,QD- oled的性能最佳。通过对QDOLED进行退火处理,使QD的发射强度提高了约3倍。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
High efficient self-assembly CdSe/ZnS quantum dots light-emitting devices in organic matrix
We have fabricated and investigated the effect of CdSe/ZnS quantum dot (QD) concentrations on self-assembly hybrid organic/inorganic light emitting diodes (QD-OLEDs). The uniform distribution of QDs with controllable density was achieved using the conventional spin-coating method. There was a QD threshold concentration below which there was no emission from the QDs. The estimated QD concentration was around 9×1011 cm−2 for the best performance of QD-OLED. The QD emission was increased about three times by annealing of QDOLED.
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