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Nanoscale ZnO window layer textured 650nm resonant cavity light emitting diode

机译：纳米级ZnO窗口层纹理650nm谐振腔发光二极管

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摘要

We propose a simple technique to improve the light extraction efficiency of 650nm AlGaInP/GaInP resonant cavity light emitting diodes (RCLEDs) by using nanoscale textured-ZnO window layer. This layer was performed using a hydrothermal synthesis method, and the treatment solution for ZnO texturing growth on the RCLED surface was investigated. In addition, it has also been found that the optimum roughness of the nanoscale ZnO texturing for enhancing the light efficiency is about 300nm. As compared with the conventional RCLED, the nanoscale ZnO-textured RCLED, which has the optimum average roughness of 300nm, performs higher external quantum efficiency, a higher light output power, and a narrower spectrum width.
机译：我们提出了一种简单的技术，通过使用纳米级纹理化的ZnO窗口层来提高650nm AlGaInP / GaInP谐振腔发光二极管（RCLED）的光提取效率。使用水热合成方法进行该层，并且研究用于RCLED表面上的ZnO织构化生长的处理溶液。另外，还发现用于提高光效率的纳米级ZnO纹理的最佳粗糙度为约300nm。与常规RCLED相比，纳米级ZnO质感RCLED具有300nm的最佳平均粗糙度，具有更高的外部量子效率，更高的光输出功率和更窄的光谱宽度。

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  • 来源
    《Progress in functional materials》|2012年|320-323|共4页
  • 会议地点 Shanghai(CN)
  • 作者

    Ling-yun Ma; Jian-jun Li; Jia-chun Li; Pei Sun; Jun Deng; Jun Han; Yan-hui Xing;

  • 作者单位

    Key Laboratory of Opto-Electronics Technology, Ministry of Education, Beijing University of Technology, Beijing 100124, China;

    Key Laboratory of Opto-Electronics Technology, Ministry of Education, Beijing University of Technology, Beijing 100124, China;

    Key Laboratory of Opto-Electronics Technology, Ministry of Education, Beijing University of Technology, Beijing 100124, China;

    Key Laboratory of Opto-Electronics Technology, Ministry of Education, Beijing University of Technology, Beijing 100124, China;

    Key Laboratory of Opto-Electronics Technology, Ministry of Education, Beijing University of Technology, Beijing 100124, China;

    Key Laboratory of Opto-Electronics Technology, Ministry of Education, Beijing University of Technology, Beijing 100124, China;

    Key Laboratory of Opto-Electronics Technology, Ministry of Education, Beijing University of Technology, Beijing 100124, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Light-emitting diodes; Resonant cavity; Surface roughening; Hydrothermal synthesis method; Zinc oxide;

    机译：发光二极管;谐振腔表面粗糙；水热合成法；氧化锌;

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