High-Efficiency Deep-Ultraviolet Light-Emitting Diodes With Efficient Carrier Confinement and High Light Extraction

被引：22
|
作者：
Chang, Jih-Yuan [1 ]
Liou, Bo-Ting [2 ]
Huang, Man-Fang [3 ]
Shih, Ya-Hsuan [4 ]
Chen, Fang-Ming [3 ]
Kuo, Yen-Kuang [5 ]
机构：
[1] Changhua Univ Educ, Ctr Teacher Educ Natl, Changhua 500, Taiwan
[2] Hsiuping Univ Sci & Technol, Dept Mech Engn, Taichung 412, Taiwan
[3] Natl Changhua Univ Educ, Inst Photon, Changhua 500, Taiwan
[4] Natl Cheng Kung Univ, Dept Photon, Tainan 701, Taiwan
[5] Natl Changhua Univ Educ, Dept Phys, Changhua 500, Taiwan
来源：
IEEE TRANSACTIONS ON ELECTRON DEVICES | 2019年 / 66卷 / 02期
关键词：
AlGaN; carrier confinement; light-emitting diodes (LEDs); light extraction; polarization effect; BAND-STRUCTURE; POLARIZATION;
D O I：
10.1109/TED.2018.2887074
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In deep-ultraviolet (DUV) light-emitting diodes (LEDs), it is difficult to obtain both efficient carrier confinement and high light extraction, which are quite sensitive to optical polarization and other physical parameters. In this paper, characteristics of DUV LEDs with various n-AlGaN layers and quantum barriers (QBs), and various widths of quantum wells (QWs) are investigated. Specifically, the capability of carrier confinement and properties of optical polarization are analyzed in detail. The simulation results show that LED structure with Al0.64Ga0.36N QBs, n-Al0.7Ga0.3N layer, and 4-nm-thick QWs, which has a peak emission wavelength of 284.5 nm at 60 mA, exhibits high internal quantum efficiency of 25% and high degree of optical polarization of 0.874.
引用
收藏
页码：976 / 982
页数：7
相关论文
共 50 条
  • [41] Efficient Carrier Confinement in AlGaN-Based Deep-Ultraviolet Light-Emitting Diodes with a Composition-Graded Electron-Blocking Layer
    Ye, Wei-Te
    Cheng, Zai-Jun
    Ren, Zhi-Yu
    Li, Chen
    Zheng, Jin-Jian
    Gao, Mo-Ran
    Cai, Li-E
    Yang, Yu-Lin
    PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 2023, 220 (02):
  • [42] Improvement of Light Extraction Efficiency for AlGaN-Based Deep Ultraviolet Light-Emitting Diodes
    Inazu, Tetsuhiko
    Fukahori, Shinya
    Pernot, Cyril
    Kim, Myung Hee
    Fujita, Takehiko
    Nagasawa, Yosuke
    Hirano, Akira
    Ippommatsu, Masamichi
    Iwaya, Motoaki
    Takeuchi, Tetsuya
    Kamiyama, Satoshi
    Yamaguchi, Masahito
    Honda, Yoshio
    Amano, Hiroshi
    Akasaki, Isamu
    JAPANESE JOURNAL OF APPLIED PHYSICS, 2011, 50 (12)
  • [43] High-efficiency stacked white organic light-emitting diodes
    Lee, Tae-Woo
    Noh, Taeyong
    Choi, Byoung-Ki
    Kim, Myeong-Suk
    Shin, Dong Woo
    Kido, Junji
    APPLIED PHYSICS LETTERS, 2008, 92 (04)
  • [44] High-Efficiency Semitransparent Light-Emitting Diodes with Perovskite Nanocrystals
    Wan, Qun
    Huang, Lu
    Kong, Long
    Zhang, Qinggang
    Zhang, Congyang
    Liu, Mingming
    Liao, Xinrong
    Zhan, Wenji
    Zheng, Weilin
    Yuan, Changwei
    He, Mengda
    Li, Liang
    ACS APPLIED MATERIALS & INTERFACES, 2022, 14 (17) : 19697 - 19703
  • [45] High-efficiency organic light-emitting diodes with exciplex hosts
    Wang, Qiang
    Tian, Qi-Sheng
    Zhang, Yuan-Lan
    Tang, Xun
    Liao, Liang-Sheng
    JOURNAL OF MATERIALS CHEMISTRY C, 2019, 7 (37) : 11329 - 11360
  • [46] High-efficiency flexible white organic light-emitting diodes
    Jou, Jwo-Huei
    Wang, Chung-Pei
    Wu, Ming-Hsuan
    Lin, Hung-Wei
    Pan, Han Chang
    Liu, Bo-Heng
    JOURNAL OF MATERIALS CHEMISTRY, 2010, 20 (32) : 6626 - 6629
  • [47] Device simulator for designing high-efficiency light-emitting diodes
    Hatakoshi, Gen-ichi
    Hattori, Yasushi
    Saito, Shinji
    Shida, Naomi
    Nunoue, Shinya
    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, 2007, 46 (8B): : 5419 - 5425
  • [48] High-efficiency white phosphorescent organic light-emitting diodes
    Li Lu
    Yu Jun-Sheng
    Wang Jun
    Lou Shuang-Ling
    Jiang Ya-Dong
    Li Wei
    ACTA PHYSICO-CHIMICA SINICA, 2007, 23 (10) : 1493 - 1497
  • [49] Modeling challenges for high-efficiency visible light-emitting diodes
    Bertazzi, Francesco
    Dominici, Stefano
    Mandurrino, Marco
    Robidas, Dipika
    Zhou Xiangyu
    Vallone, Marco
    Calciati, Marco
    Debernardi, Pierluigi
    Verzellesi, Giovanni
    Meneghini, Matteo
    Bellotti, Enrico
    Ghione, Giovanni
    Goano, Michele
    2015 IEEE 1ST INTERNATIONAL FORUM ON RESEARCH AND TECHNOLOGIES FOR SOCIETY AND INDUSTRY (RTSI 2015) PROCEEDINGS, 2015,
  • [50] Device simulator for designing high-efficiency light-emitting diodes
    Hatakoshi, Gen-Ichi
    Hattori, Yasushi
    Saito, Shinji
    Shida, Naomi
    Nunoue, Shinya
    Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, 2007, 46 (8 B): : 5419 - 5425
12345