| 光谱学与光谱分析 |
|
|
|
|
|
| Study on the Movement of the Carrier Recombination Region in Organic Light-Emitting Diodes (OLEDs) Based on DPVBi/Alq3 |
| YAN Guang, ZHAO Su-ling*, XU Zheng, ZHANG Fu-jun, KONG Chao, LIU Xiao-dong, GONG Wei, GAO Li-yan |
| Key Laboratory of Luminescence and Optical Information, Ministry of Education and Institute of Optoelectronics Technology, Beijing Jiaotong University, Beijing 100044，China |
|
|
|
|
Abstract Series of organic light emitting devices with basic structure of ITO/PCBM: PVK(x Wt%, ~40 nm)/DPVBi(30 nm)/Alq3(30 nm)/Al were fabricated in order to investigate the carrier recombination region movement in these devices. The carrier injection-dependent, the carrier transport-dependent and the voltage-dependent carrier recombination region movements were investigated respectively by modifying cathode with lithium fluoride, by changing the doping concentration of PCBM and by changing the voltage on the devices. The physical mechanism behind the voltage-dependent carrier recombination region movement was discussed.
|
|
Received: 2010-09-28
Accepted: 2010-12-04
|
|
|
|
Corresponding Authors:
ZHAO Su-ling
E-mail: slzhao@bjtu.edu.cn
|
|
[1] Burroughes J H, Bradley D D C, Brown A R, et al. Nature, 1990, 347: 539.
[2] Matthews J N A. Phys. Today, 2008, 61: 26.
[3] Wang J, Yu J W, Li L, et al. Appl. Phys. Lett., 2008, 92: 133308.
[4] Kim S W, Park J H, Oh S S, et al. Appl. Phys. Lett., 2006, 89: 213511.
[5] Forrest S R. Nature, 1994, 428: 911.
[6] Anzenbacher P, Montes V, Takizawa S. Appl. Phys. Lett., 2008, 93: 163302.
[7] Tang C W, VanSlyke S A. Appl. Phys. Lett., 1987, 51: 913.
[8] YAN Guang, ZHAO Su-ling, XU Zheng, et al(闫 光，赵谡玲，徐 征，等). Chin. Phys. B(中国物理B), 2010, 19(3): 037804.
[9] Adachi C, Tokito S, Tsutsui T, et al. Jpn. Appl. Phys., 1988, 27: L59.
[10] Brown A R, Greenham N C, Burroughes J H, et al. Chem. Phys. Lett., 1992 200: 46.
[11] Polikarpov E, Swensen J S, Cosimbescu L, et al. Appl. Phys. Lett., 2010, 96: 053306.
[12] Adachi C, Tsutsui T, Satio S. Appl. Phys. Lett., 1989, 55(15): 1489.
[13] Adachi C, Tokito S, Usutsui T, et al. Jpn. Appl. Phys., 1988, 27: L269.
[14] Adachi C, Tokito S, Tsutsui T, et al. Jpn. Appl. Phys., 1988, 27: L713.
[15] Sheats J R. Science,!1997, 277: 191.
[16] Steuber F, Staudigel J, Stssel M, et al. Adv. Mater., 2000, 12: 130.
[17] Zhang Fengling, Wang Yongsheng, Yang Xiaohui, et al. J. Lumin., 2000, (87-89): 1149.
[18] Lee S S, Ko D, Chung C H, Cho S M. Synth. Met., 2002, 128: 51.
[19] Chen Baijun, Liu Shiyong. Synth. Met., 1997, 91: 169. |
| [1] |
ZHENG Xu-gang1, 2, SONG Dan-dan1, 2, ZHAO Su-ling1, 2, QIAO Bo1, 2, SHEN Chong-yu3, XU Zheng1, 2*. Effect of Water Vapor Treatment on the Performance of Quantum Dot Light-Emitting Diodes[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2020, 40(04): 1034-1039. |
| [2] |
YANG Jian1, 2, ZHAO Su-ling1, 2*, SONG Dan-dan1, 2, XU Zheng1, 2, QIAO Bo1, 2, WANG Peng1, 2, WEI Peng1, 2. Highly Efficient Solution Processed Blue Thermally Activated Delayed Fluorescent Organic Light-Emitting Devices with a Mixed Hole Injection Layer[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2020, 40(04): 1028-1033. |
| [3] |
CUI Can1,2, SONG Dan-dan1,2, ZHAO Su-ling1,2, QIAO Bo1,2, XU Zheng1,2*. Improving the Efficiency of Solution-Processed, Blue Fluorescent Organic Light-Emitting Diodes (OLEDs) by Employing TADF Exciplex Hosts[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2020, 40(03): 700-705. |
| [4] |
LI Zhao, CAO Jing, WANG Yong-feng. Synthesis and Spectral Properties of Phosphors Based on Schiff Base Complexes[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2019, 39(09): 2879-2882. |
| [5] |
WANG Hao1, 2, ZHAO Su-ling1, 2*, XU Zheng1, 2, SONG Dan-dan1, 2, QIAO Bo1, 2, WANG Peng1, 2, ZHENG Wei-ye1, 2, WEI Peng1, 2. The Influence of Deep Trap on the Efficiency Decrease in PhOLEDs Based on Double Dopants Strategy[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2019, 39(04): 1018-1024. |
| [6] |
CHEN Yi-xiang, ZHAO Su-ling*, XU Zheng, ZHANG Cheng-wen, XU Xu-rong. The Establishment and the Application of the Electroluminescence Decay Measurement System[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2017, 37(07): 1993-1996. |
| [7] |
HONG Xiao-xia1, 2, XU Zheng1, 2*, ZHAO Su-ling1, 2, QIAO Bo1, 2, ZHANG Cheng-wen1, 2, WANG Peng1, 2 . Study on the Overshoot Effect of Doped PhOLED with Transient Electroluminescence[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2017, 37(03): 710-714. |
| [8] |
WANG Guang-hua1,2, ZHAO Hui-qiong1,2, DENG Rong-bin1, DUAN Yu1,2, SUN Hao1, ZHANG Xiao-dan1,2, ZHOU Qin1, QIAN Jin-mei1, WAN Rui-min1,2, JI Hua-xia1, JI Rong-bin2. Research on the Preparation and Chromaticity Coordinates Shift Mechanism of Organic White Light Top-Emitting Devices[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2016, 36(11): 3758-3763. |
| [9] |
YANG Zhao-kun, ZHAO Su-ling*, XU Zheng*, HUANG Qing-yu . The Inside Charge Behavior of Organic Light-Emitting Diodes Investigated with Transient Electroluminescent Measurements[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2016, 36(10): 3134-3137. |
| [10] |
GUAN Yun-xia1, CHEN Li-jia1, CHEN Ping2, FU Xiao-qiang1, NIU Lian-bin1,3* . Influence of MnO3 on Photoelectric Performance in Organic Light Emitting Diodes[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2016, 36(03): 648-652. |
| [11] |
ZHANG Le-hua1, 2, CHEN Chi-lai1*, LIU You-jiang1, 2, ZHANG Xiao-tian1, 3, WANG Hong-wei1, 2, KONG De-yi1, SUN Wen-jian4, CHENG Yu-peng4. Study on Error Analysis of Nonlinear Function Coefficient of FAIMS [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2015, 35(05): 1153-1158. |
| [12] |
LI Xue1, SHAO Qiu-ping1, CHEN Shu-fen2*, HUANG Wei2 . Highly Efficient, Color-Stable White Top-Emitting Organic Light-Emitting Diodes[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2014, 34(09): 2360-2364. |
| [13] |
SONG Ling-yun1, CAI Chun-feng1, LIU Bo-zhi1, HU Lian1, ZHANG Bing-po1, WU Jian-zhong2*, BI Gang2, WU Hui-zhen1*. Influence of Parameters of ZnS Film on the Organic/Inorganic Composite Luminescence Devices[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2014, 34(04): 898-902. |
| [14] |
DAI Shuang, YU Tong-jun*, LI Xing-bin, YUAN Gang-cheng, LU Hui-min . The Electroluminescence Spectra of InGaN/GaN Blue LEDs During Aging Time [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2014, 34(02): 327-330. |
| [15] |
ZHANG Wei, ZHANG Fang-hui*, HUANG Jin . Effect of Spacer on Red and Green Phosphorescent Organic Light-Emitting Devices[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2014, 34(02): 322-326. |
|
|
|
|
