Improve the Hole Injection to Enhance the IQE for DUV LEDs

  • Zi-Hui ZhangEmail author
  • Chunshuang Chu
  • Kangkai Tian
  • Yonghui Zhang
Part of the SpringerBriefs in Applied Sciences and Technology book series (BRIEFSAPPLSCIENCES)


The very low doping efficiency for the p-type Al-rich AlGaN layers indicates that the hole injection capability for DUV LEDs can be poor. Therefore, we ought to investigate the approaches to enable high-efficiency hole injection. In this chapter, we propose novel DUV LED architectures to make “hot” holes, increase the hole concentration in the p-type layer, and reduce the hole blocking effect that arises from the p-type electron blocking layer (p-EBL).


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Copyright information

© The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Zi-Hui Zhang
    • 1
    Email author
  • Chunshuang Chu
    • 1
  • Kangkai Tian
    • 1
  • Yonghui Zhang
    • 1
  1. 1.School of Electronics and Information Engineering, Institute of Micro-Nano Photoelectron and Electromagnetic Technology InnovationHebei University of TechnologyTianjinChina

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