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題名: Investigation of Blue InGaN Light-emitting Diodes with Step-like Quantum Well
作者: Tsai, Miao-Chan;Yen, Sheng-Horng;Kuo, Yen-Kuang
貢獻者: 物理學系
日期: 2011-05
上傳時間: 2012-07-19T01:49:18Z
出版者: SpringerLink
摘要: The concept of a step-like quantum well is
proposed with the purpose to reduce the influence of
electrostatic field resulting from the piezoelectric effect
on the optical performance of blue InGaN light-emitting
diodes. Particularly, the optical properties of the LED
structures with the In0.23Ga0.77N single quantum well,
In0.20Ga0.80N/In0.26Ga0.74N step-like quantum well, and
In0.26Ga0.74N/In0.20Ga0.80N step-like quantum well are numerically
investigated in detail. Simulation results show that
the In0.20Ga0.80N/In0.26Ga0.74N step-like-quantum-well
LED structure has the best optical performance in virtue
of the improvement in spatial overlap of electrons and holes
in the quantum well.
關聯: Applied Physics A: Materials Science & Processing, 104(2): 621-626
顯示於類別:[物理學系] 期刊論文

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