Light output improvement of GaN-based light-emitting diodes using hydrothermally grown ZnO nanotapers

Yung Chun Tu, Shui Jinn Wang, Jia Ching Lin, Fu Shou Tsai, Tseng Hsing Lin, Kai Ming Uang, Tron Min Chen

研究成果: Article同行評審

6 引文 斯高帕斯(Scopus)

摘要

A new two-step hydrothermal growth (HTG) process with a shorter processing time and better growth control is proposed for the synthesis of ZnO nanotapers (NTs). The application of HTG ZnO NTs as surface roughening nanostructures to improve the light output power (Lop) of GaN-based LEDs is demonstrated. Compared with that of ZnO nanowires, the use of ZnO NTs leads to an improvement in Lop by 24.5% at 350 mA, which could be attributed to the fact that tapered ends of ZnO NTs offer more constructive photon scattering to maximize light extraction.

原文English
文章編號06GG13
期刊Japanese journal of applied physics
52
發行號6 PART 2
DOIs
出版狀態Published - 2013 6月

All Science Journal Classification (ASJC) codes

  • 一般工程
  • 一般物理與天文學

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