Please wait a minute...
Chin. Phys. B, 2012, Vol. 21(6): 068505    DOI: 10.1088/1674-1056/21/6/068505
INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY Prev   Next  

The influence of AlGaN/GaN superlattices as electron blocking layers on the performance of blue InGaN light-emitting diodes

Gong Chang-Chun(龚长春), Fan Guang-Han(范广涵), Zhang Yun-Yan(张运炎), Xu Yi-Qin(许毅钦), Liu Xiao-Ping(刘小平), Zheng Shu-Wen(郑树文), Yao Guang-Rui(姚光锐), and Zhou De-Tao(周德涛)
Institute of Opto-Electronic Materials and Technology, South China Normal University, Guangzhou 510631, China
Abstract  P-AlGaN/P-GaN superlattices are investigated in blue InGaN light-emitting diodes as electron blocking layers. The simulation results show that efficiency droop is markedly improved due to two reasons: (i) enhanced hole concentration and hole carrier transport efficiency in AlGaN/GaN superlattices, and (ii) enhanced blocking of electron overflow between multiple quantum-wells and AlGaN/GaN superlattices.
Keywords:  P-AlGaN/P-GaN superlattices      numerical simulation      efficiency droop  
Received:  24 June 2011      Revised:  14 November 2011      Accepted manuscript online: 
PACS:  85.60.Jb (Light-emitting devices)  
  85.50.-n (Dielectric, ferroelectric, and piezoelectric devices)  
  87.15.A- (Theory, modeling, and computer simulation)  
  78.60.Fi (Electroluminescence)  
Fund: Project supported by the Project of Combination of Production and Research Guided by Education Ministry of China in 2009 (Grant No. 2009B090300338) and the LED Industrial Projects of Special Funds Strategic Emerging Industries in 2011, Guangdong Province, China (Grant No. 2010A081002005).
Corresponding Authors:  Fan Guang-Han     E-mail:  gfan@scnu.edu.cn

Cite this article: 

Gong Chang-Chun(龚长春), Fan Guang-Han(范广涵), Zhang Yun-Yan(张运炎), Xu Yi-Qin(许毅钦), Liu Xiao-Ping(刘小平), Zheng Shu-Wen(郑树文), Yao Guang-Rui(姚光锐), and Zhou De-Tao(周德涛) The influence of AlGaN/GaN superlattices as electron blocking layers on the performance of blue InGaN light-emitting diodes 2012 Chin. Phys. B 21 068505

[1] Koike M, Shibata N, Kato H and Takahashi Y 2002 IEEE J. Sel. Topics Quantum Electron. 8 271
[2] Sebitosi A B and Pillay P 2007 IEEE Trans. Energy Convers. 22 674
[3] Ni X, Fan Q, Shimada R, Ozgur U and Morkoc H 2008 Appl. Phys. Lett. 93 171113
[4] Xie J, Ni X, Fan Q, Shimada R, Özg黵 Ü and Morkoç H 2008 Appl. Phys. Lett. 93 121107
[5] Rozhansky V and Zakheim D A 2007 Phys. Status Solidi A 204 227
[6] Cabalu J S, Thomidis C, Moustakas T D, Riyopoulos S, Zhou L and Smith D J 2006 J. Appl. Phys. 99 064904
[7] Kim M H, Schubert M F, Dai Q, Kim J K, Schubert E F, Piprek J and Park Y 2007 Appl. Phys. Lett. 91 183507
[8] Rozhansky I V and Zakheim D A 2006 Semiconductors 40 839
[9] Shen Y C, Mueller G O, Watanabe S, Gardner N F, Munkholm A and Krames M R 2007 Appl. Phys. Lett. 91 141101
[10] Chen Y X, Shen G D, Guo W L, Xu C and Li J J 2011 Chin. Phys. B 20 017204
[11] Lu W, Xu M, Wei Y and He L 2011 Acta Phys. Sin. 60 087807 (in Chinese)
[12] Zheng Q H, Yin Y A, Zhu L H, Huang J, Li X Y and Liu B L 2009 Appl. Phys. Lett. 94 222104
[13] Liu J P, Limb J B, Ryou J H, Lee W, Yoo D, Horne C A and Dupuis R D 2008 J. Electron. Mater. 37 558
[14] Jang J S 2008 Appl. Phys. Lett. 93 081118
[15] Xing Y H, Deng J, Han J, Li J J and Shen G D 2009 Acta Phys. Sin. 58 590 (in Chinese)
[16] Liu Y J, Yen C H, Chen L Y, Tsai T H, Tsai T Y and Liu W C 2009 IEEE Electron Dev. Lett. 30 11
[17] Kim K S, Kim J H, Jung S J, Park Y J and Cho S N 2010 Appl. Phys. Lett. 96 091104
[18] Stringfellow G B and Craford M G 1997 High Brightness Light Emitting Diodes (San Diego: CA Academic) p. 412
[19] Vurgaftman I and Meyer J R 2003 J. Appl. Phys. 94 3675
[1] Quantitative measurement of the charge carrier concentration using dielectric force microscopy
Junqi Lai(赖君奇), Bowen Chen(陈博文), Zhiwei Xing(邢志伟), Xuefei Li(李雪飞), Shulong Lu(陆书龙), Qi Chen(陈琪), and Liwei Chen(陈立桅). Chin. Phys. B, 2023, 32(3): 037202.
[2] Micro-mechanism study of the effect of Cd-free buffer layers ZnXO (X=Mg/Sn) on the performance of flexible Cu2ZnSn(S, Se)4 solar cell
Caixia Zhang(张彩霞), Yaling Li(李雅玲), Beibei Lin(林蓓蓓), Jianlong Tang(唐建龙), Quanzhen Sun(孙全震), Weihao Xie(谢暐昊), Hui Deng(邓辉), Qiao Zheng(郑巧), and Shuying Cheng(程树英). Chin. Phys. B, 2023, 32(2): 028801.
[3] Theoretical and experimental studies on high-power laser-induced thermal blooming effect in chamber with different gases
Xiangyizheng Wu(吴祥议政), Jian Xu(徐健), Keling Gong(龚柯菱), Chongfeng Shao(邵崇峰), Yang Kou(寇洋), Yuxuan Zhang(张宇轩), Yong Bo(薄勇), and Qinjun Peng(彭钦军). Chin. Phys. B, 2022, 31(8): 086105.
[4] Spatio-spectral dynamics of soliton pulsation with breathing behavior in the anomalous dispersion fiber laser
Ying Han(韩颖), Bo Gao(高博), Jiayu Huo(霍佳雨), Chunyang Ma(马春阳), Ge Wu(吴戈),Yingying Li(李莹莹), Bingkun Chen(陈炳焜), Yubin Guo(郭玉彬), and Lie Liu(刘列). Chin. Phys. B, 2022, 31(7): 074208.
[5] Data-driven parity-time-symmetric vector rogue wave solutions of multi-component nonlinear Schrödinger equation
Li-Jun Chang(常莉君), Yi-Fan Mo(莫一凡), Li-Ming Ling(凌黎明), and De-Lu Zeng(曾德炉). Chin. Phys. B, 2022, 31(6): 060201.
[6] Characteristics of secondary electron emission from few layer graphene on silicon (111) surface
Guo-Bao Feng(封国宝), Yun Li(李韵), Xiao-Jun Li(李小军), Gui-Bai Xie(谢贵柏), and Lu Liu(刘璐). Chin. Phys. B, 2022, 31(10): 107901.
[7] Efficiency droop in InGaN/GaN-based LEDs with a gradually varying In composition in each InGaN well layer
Shang-Da Qu(屈尚达), Ming-Sheng Xu(徐明升), Cheng-Xin Wang(王成新), Kai-Ju Shi(时凯居), Rui Li(李睿), Ye-Hui Wei(魏烨辉), Xian-Gang Xu(徐现刚), and Zi-Wu Ji(冀子武). Chin. Phys. B, 2022, 31(1): 017801.
[8] Effects of Prandtl number in two-dimensional turbulent convection
Jian-Chao He(何建超), Ming-Wei Fang(方明卫), Zhen-Yuan Gao(高振源), Shi-Di Huang(黄仕迪), and Yun Bao(包芸). Chin. Phys. B, 2021, 30(9): 094701.
[9] Evolution of melt convection in a liquid metal driven by a pulsed electric current
Yanyi Xu(徐燕祎), Yunhu Zhang(张云虎), Tianqing Zheng(郑天晴), Yongyong Gong(龚永勇), Changjiang Song(宋长江), Hongxing Zheng(郑红星), and Qijie Zhai(翟启杰). Chin. Phys. B, 2021, 30(8): 084701.
[10] Effect of pressure and space between electrodes on the deposition of SiNxHy films in a capacitively coupled plasma reactor
Meryem Grari, CifAllah Zoheir, Yasser Yousfi, and Abdelhak Benbrik. Chin. Phys. B, 2021, 30(5): 055205.
[11] Numerical simulation of super-continuum laser propagation in turbulent atmosphere
Ya-Qian Li(李雅倩), Wen-Yue Zhu (朱文越), and Xian-Mei Qian(钱仙妹). Chin. Phys. B, 2021, 30(3): 034201.
[12] Asymmetric coherent rainbows induced by liquid convection
Tingting Shi(施婷婷), Xuan Qian(钱轩), Tianjiao Sun(孙天娇), Li Cheng(程力), Runjiang Dou(窦润江), Liyuan Liu(刘力源), and Yang Ji(姬扬). Chin. Phys. B, 2021, 30(12): 124208.
[13] CO2 emission control in new CM car-following model with feedback control of the optimal estimation of velocity difference under V2X environment
Guang-Han Peng(彭光含), Rui Tang(汤瑞), Hua Kuang(邝华), Hui-Li Tan(谭惠丽), and Tao Chen(陈陶). Chin. Phys. B, 2021, 30(10): 108901.
[14] Numerical simulation of chorus-driving acceleration of relativistic electrons at extremely low L-shell during geomagnetic storms
Zhen-Xia Zhang(张振霞), Ruo-Xian Zhou(周若贤), Man Hua(花漫), Xin-Qiao Li(李新乔), Bin-Bin Ni(倪彬彬), and Ju-Tao Yang(杨巨涛). Chin. Phys. B, 2021, 30(10): 109401.
[15] Numerical research on effect of overlap ratio on thermal-stress behaviors of the high-speed laser cladding coating
Xiaoxi Qiao(乔小溪), Tongling Xia(夏同领), and Ping Chen(陈平). Chin. Phys. B, 2021, 30(1): 018104.
No Suggested Reading articles found!