National Changhua University of Education Institutional Repository : Item 987654321/12567
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題名: Improvement in Electron Overflow of Near-Ultraviolet InGaN LEDs by Specific Design on Last Barrier
作者: Kuo, Yen-Kuang;Shih, Ya-Hsuan;Tsai, Miao-Chan;Chang, Jih-Yuan
貢獻者: 物理學系
日期: 2011-11
上傳時間: 2012-07-19T01:49:27Z
出版者: IEEE
摘要: Specific designs on the last barrier of near-ultraviolet InGaN light-emitting diodes are investigated numerically in order to diminish the electron leakage current without sacrificing the injection efficiency of holes. Due to the reduction of electron leakage current, the recombination of electrons and holes in the p-layers is decreased and, thus, more holes can be injected into the active region. The simulation results show that the optical performance and internal quantum efficiency are markedly improved when the last GaN barrier near the p-layers is partially replaced by In0.01Ga0.99N layer and intentionally p-doped.
關聯: IEEE Photonics Technology Letters, 23(21): 1630-1632
顯示於類別:[物理學系] 期刊論文

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