Influence of the functional layer thickness on the light output property of tandem organic light emitting diode：a numerical study

Lu Fei-Ping; Li Jian-Feng; Sun Shuo

doi:10.7498/aps.62.247201

Abstract

Based on the principle of thin film optics, the theory of electric dipole radiation, and the principle of Fabry-Prot microcavity, an optical model is built for the tandem organic light emitting diode (OLED) with the structure of Glass/ITO/N, N0-bis(naphthalen-1-yl)-N, N0-bis (phenyl)-benzidine(NPB)/tris(8-hydroxyquinoli-ne) aluminum (Alq3)/molybdenum trioxide (MoO3)/NPB/Alq3/LiF/Al. The influence of the functional layer thickness on the light output intensity of device is systematically studied, the laws of light output intensity for tandem OLEDs under different thickness values of functional layer are obtained. This model and the results obtained in this paper can present an in-depth understanding of the working mechanism of tandem OLED and help ones fabricate high efficiency OLED.

Keywords:

Authors and contacts

1.
College of Physics and Information Science, Tianshui Normal University, Tianshui 741000, China;
2.
Key Laboratory of Optoelectronic Technology and Intelligent Control, Lanzhou Jiaotong University, Lanzhou 730070, China;
3.
National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China
Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 61264002, 61166003), the Young Scholars Science Foundation of Lanzhou Jiaotong University, China (Grant No. 2011025), and the Jinchuan Company-Lanzhou Jiaotong University Pre-Research Foundation, China (Grant No. JCYY2013001).

References

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Cited By

[1]	Reineke S, Lindner F, Schwartz G, Seidler N, Walzer K, Lussem B, Leo K 2009 Nature 459 234
[2]	Chen F P, Xu B, Zhao Z J, Tian W J, Lu P, Im C 2010 Chin. Phys. B 19 037801
[3]	Jiang W L, Meng Z H, Cong L, Wang J, Wang L Z, Han Q, Meng F C, Gao Y H 2010 Acta Phys. Sin. 59 6642 (in Chinese) [姜文龙, 孟昭晖, 丛林, 汪津, 王立忠, 韩强, 孟凡超, 高永慧 2010 59 6646]
[4]	Chen S J, Yu J S, Wen W, Jiang Y D 2011 Acta Phys. Sin. 60 037202 (in Chinese) [陈苏杰, 于军胜, 文雯, 蒋亚东 2011 60 037202]
[5]	Wu X M, Shen L Y, Hua Y L, Dong M S, Mu X, Bai J J, Bi W T, Yang X Y, Yin S G 2012 Acta Phys. Sin. 61 178502 (in Chinese) [吴晓明, 申利莹, 华玉林, 董木森, 穆雪, 白娟娟, 毕文涛, 杨小艳, 印寿根 2012 61 178502]
[6]	Chen P, Zhao L, Duan Y, Cheng G, Zhao Y, Liu S Y 2011 Acta Phys. Sin. 60 097203 (in Chinese) [陈平, 赵理, 段羽, 程刚, 赵毅, 刘式墉 2011 60 097203]
[7]	Zhang X W, Hu Q 2012 Acta Phys. Sin. 61 207802 (in Chinese) [张新稳, 胡琦 2012 61 207802]
[8]	Chiba, T, Pu Y J, Miyazaki R, Nakayama K I, Sasabe H, Kido J 2011 Org. Electron. 12 710
[9]	Liao L S, Slusarek W K, Hatwar T K, Ricks M L, Comfort D L 2008 Adv. Mater. 20 324
[10]	Chen C W, Lu Y J, Wu C C, Wu E H E, Chu C W, Yang Y 2005 Appl. Phys. Lett. 87 241121
[11]	Tsutsui T, Terai M 2004 Appl. Phys. Lett. 84 440
[12]	Kanno H, Holmes R J, Sun Y, Kena-Cohen S, Forrest S R 2006 Adv. Mater. 18 339
[13]	Chen P, Xue Q, Xie W F, Xie G H, Duan Y, Zhao Y, Liu S Y, Zhang L Y, Li B 2009 Appl. Phys. Lett. 95 123307
[14]	Chang C C, Hwang S W, Chen C H, Chen J F 2004 Jpn. J. Appl. Phys. 43 6418
[15]	Liao L S, Klubek K P, Tang C W 2004 Appl. Phys. Lett. 84 167
[16]	Lu F P, Wang Q, Zhou X 2003 Chin. Phys. B 22 037202
[17]	Wang Z B, Helander M G, Xu X F, Puzzo D P, Qiu J, Greiner M T, Lu Z H 2011 J. Appl. Phys. 109 053107
[18]	Lukosz W 1979 J. Opt. Soc. Am. 69 1495
[19]	Lukosz W, Kunz R E 1977 J. Opt. Soc. Am. 67 1615
[20]	Peng H J 2005 Ph. D. Dissertation (Hongkang: Hongkang University of Science and Technology)
[21]	Lin Y C, Lu W Q 1990 The Principle of Thin Film Optics (Beijing: National Defence Industry Press) p34 (in Chinese) [林永昌, 卢维强 1990 光学薄膜原理(北京: 国防工业出版社)第34页]
[22]	Benisty H, Stanley R, Mayer M 1998 J. Opt. Soc. Am. A 15 1192
[23]	Huang C H, Li F Y 2005 Introduction to Organic Light-Emitting Materials and Devices (Shanghai: Fudan University Press) p43 (in Chinese) [黄春辉, 李富友 2005 有机电致发光材料与器件导论(上海: 复旦大学出版社)第43页]
[24]	Tang C W, van Slyke S A, Chen C H 1989 J. Appl. Phys. 65 3610
[25]	Kumar S, Shukla V K, Tripathi A 2005 Thin Solid Films 477 240
[26]	Zhang L T, Xie W F, Wang J, Zhang H Z, Zhang Y S 2006 J. Phys. D 39 2373
[27]	Synowicki R A 1998 Thin Solid Films 313 394
[28]	Ji W Y 2010 Ph. D. Dissertation (Changchun: Jilin university) (in Chinese) [纪文宇 2010 博士学位论文(长春: 吉林大学)]
[29]	Bozano L D, Kean B W, Beinhoff M, Carter K R, Rice P M, Scott J C 2005 Adv. Func. Mates. 15 1933
[30]	Ruhstaller B, Carter S A, Barth S, Riel H, Riess W, Scott J C 2001 J. Appl. Phys. 89 4575
[31]	Martin S J, Verschoor G L B, Webster M A, Walker A B 2002 Org. Electron. 3 129
[32]	Crone B K, Davids P S, Cambell I H, Smith D L 2000 J. Appl. Phys. 87 1974

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Vol. 62, Issue 24 - 2013-12-20

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