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Investigation of blue InGaN light-emitting diodes with gradual wide wells and thin barriers

机译:具有逐步宽阱和薄势垒的蓝色InGaN发光二极管的研究

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摘要

In this study, the blue InGaN LEDs, employing gradual wide wells and thin barriers, is proposed. The carrier distribution, hole injection efficiency, electron leakage, radiative recombination rates, and Auger recombination rates are investigated numerically. The simulation results show that the newly designed LEDs have better performance over its conventional counterpart due to the successful enhancement of hole injection efficiency and suppression of Auger recombination. The simulation results also suggest that under relatively high current injection, the internal quantum efficiency (IQE), efficiency droop and light output power are markedly improved.
机译:在这项研究中,提出了采用渐变宽阱和薄势垒的蓝色InGaN LED。数值研究了载流子分布,空穴注入效率,电子泄漏,辐射复合率和俄歇复合率。仿真结果表明,由于成功提高了空穴注入效率并抑制了俄歇复合,新设计的LED具有比传统LED更好的性能。仿真结果还表明,在较高的电流注入下,内部量子效率(IQE),效率下降和光输出功率得到了显着改善。

著录项

  • 来源
    《Optical and quantum electronics》 |2016年第9期|444.1-444.7|共7页
  • 作者单位

    Experimental Teaching Center, Guangdong University of Technology, Guangzhou 510006, China,Laboratory of Nanophotonic Functional Materials and Devices, Institute of Optoelectronic Materials and Technology, South China Normal University, Guangzhou 510631, China;

    Laboratory of Nanophotonic Functional Materials and Devices, Institute of Optoelectronic Materials and Technology, South China Normal University, Guangzhou 510631, China;

    Laboratory of Nanophotonic Functional Materials and Devices, Institute of Optoelectronic Materials and Technology, South China Normal University, Guangzhou 510631, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Gradual wells; Light-emitting diodes; Numerical simulation; Efficiency droop;

    机译:逐步井;发光二极管;数值模拟效率下降;

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