浏览全部资源
扫码关注微信
西安瑞联电子材料有限责任公司, 陕西 西安 710065
收稿日期:2008-11-19,
修回日期:1900-01-02,
网络出版日期:2009-10-30,
纸质出版日期:2009-10-30
移动端阅览
李红燕, 张玉祥, 张宏科, 等. 不同主体材料对红色磷光OLED器件性能的影响[J]. 发光学报, 2009,30(5):585-589.
LI Hong-yan, ZHANG Yu-xiang, ZHANG Hong-ke, et al. Effect of A Series of Host Material on Optoelectronic Performance of Red Phosphorescent OLED[J]. Chinese journal of luminescence, 2009, 30(5): 585-589.
制作了结构为ITO/2T-NATA (20 nm)/NPB(60 nm)/Zn(BTZ)
2
: Ir(DBQ)
2
(acac) (80 nm)/Alq
3
(70 nm)/LiF(1 nm)/Al(200 nm)的红光器件
其中2T-NATA是4
4'
4″-tris(N-(2-naphthyl)-N-phenyl-amino)-triphenylamine
NPB是N
N'-di(naphthalen-1-yl)-N
N'-diphenyl-benzidine
Zn(BTZ)
2
是Bis-(2-(2-hydroxyphenyl) benzothiazole)zinc
Ir(DBQ)
2
(acac)是iridium complex
Alq
3
是tris(8-hydroxyquinolato)aluminum。基于Ir(DBQ)
2
(acac) 掺杂的Zn(BTZ)
2
体系的器件给出最高电致发光(EL)性能。结果显示:10%Ir(DBQ)
2
-(acac) 掺杂Zn(BTZ)
2
器件的亮度和效率分别为25 000 cd/m
2
和12 cd/A
其相应的EL峰位于620 nm
色坐标(
x
=0.63
y
=0.37)。由于未使用激子阻挡层
所以
比通常磷光器件的制作工艺简单并且操作过程容易控制。
Full color display is the goal of organic light-emitting diodes (OLED)
but the fabrication of stable red devices is the great barrier in the mass production of OLED.In order to use organic light-emitting diodes in displays
it is very important to obtain red light emitting with high efficiency.In this paper
a red phosphorescent material is doped into different host materials by a structure of ITO /CuPc(20 nm)/NPB(60 nm)/Zn(BTZ)
2
: Ir(DBQ)
2
(acac) (80 nm)/Alq
3
(70 nm)/LiF(1 nm)/Al (200 nm).It was found that the device can achieve a brightness of 25 000 cd/m
2
a current efficiency of 12 cd/A and the colour coordinates of (
x
=0.63
y
=0.37). Because there is no hole blocking layer
the device producing process would be simple.
. Tang C W, Vanslyke S A A. Organic electroluminescent diodes [J]. Appl. Phys. Lett., 1987, 51 (12):913-915.
. Li Hongyan, Zhang Yuxiang, Zhang Hongke, et al. Preparation of double luminescent layer white OLEDs [J]. Chin. J. Liquid Crystal and Display (液晶与显示), 2007, 22 (1):69-73 (in Chinese).
. Li Zhixian, Zhang Fanghui, Wang Xiufeng, et al. Effect of LiF as electron injection layer on OLEDs [J]. Chin. J. Liquid Crystal and Display (液晶与显示), 2008, 23 (1):52-57 (in Chinese).
. Miyagychi S, Ishizuka S, Wakimoto T, et al. Organic LED full color passive-matrix display . Extended Abstracts.9th International Workshop on Inorganic and Organic EL . Bend,Oregon, 1998,137-139.
. Tang C W, Vanslyke S A, Chen C H. Electroluminescence of doped organic thin film [J]. J. Appl. Phys., 1989, 65 (9):3610-3616.
. Zhang Zhilin, Jiang Xueyin, Zhang Buxin, et al. Color organic thin film electroluminescence and passive matrix didplay [J]. Chin. J. Lumin. (发光学报), 2002, 23 (1):1-6 (in Chinese).
. Jiu Yong, Deng Zhenbo, Yiao Jing, et al. The effect of PBD as electron-transporting layer in Alq3 ∶ DCJTB organic light emitting devices [J]. Chin. J. Lumin.(发光学报), 2008, 29 (1):23-26 (in English).
. Teng Feng, Tang Aiwei. Emission properties of DCJTB doped poly(N-ringlcarbazole) [J]. Chin. J. Lumin.(发光学报), 2008, 29 (6):957-961 (in Chinese).
. Hamada Y, Kanno H, Tsujioka T, et al. Red organic light emitting diodes using an emitting assist dopant [J]. Appl. Phys. Lett., 1999, 75 (12):1682-1684.
. Hu Zhong, Xu Hongguang, Zhong Youlei, et al. Preparation of red doping organic light emitting diodes by double host material [J]. Chin. J. Liquid Cryst. Displ. (液晶与显示), 2007, 22 (1):65-68 (in Chinese).
. Li Xinbei, Zhang Fanghui, Zhang Maili. Red organic electroluminescent devices of doping [J]. Chin. J. Lumin. (发光学报), 2006, 27 (5):689-694 (in Chinese).
. Chen Jinxin, Huang Xiaowen. Organic Electroluminescent Material and Devices [M]. Beijing: Publication of Tsinghua University, 2007, 83-91 (in Chinese).
. Xu Maoliang, Li Wenlian, Li Mingtao, et al. A new Iridium complex with trifluoromethy-substituted 2-benzo thiophene-2-yl-pyridine ligand and its application in OLEDs [J]. Chin. J. Lumin.(发光学报), 2007, 28 (3):433-436 (in Chinese).
. Shen Lin, Xu Hao, Ye Danqin, et al. High efficiency and high color purify red organic electrophosphrescent devices using BAlq as host material [J]. Chin. J. Lumin.(发光学报), 2008, 29 (1):51-55 (in Chinese).
. Yu Gui, Yin Shiwei, Liu Yunqi, et al. Structures,electronic states,and electro-luminescent properties of a zinc(Ⅱ) 2-(2-hydroxy-phenyl) benzothiazolate complex [J]. J. Am. Chem.Soc., 2003, 125 (48):14816-14824.
. Lim J T, Lee N H. White-light-emitting devices based on organic multilayer structure [J]. Current Appl. Phys., 2002,(2):295-298.
. Pope M, Swenberg C E. Electronic Processes on Organic Crystals [M]. Claren, Oxford, 1982.
. Deshpande R S, Bulovic V, Forrest S R. White-light-emitting organic electro-luminescent devices based on interlayer sequential energy transfer [J]. J. Appl. Phys., 1989, 75 (7):888-890.
. Littman J, Martic P. Efficient organic electroluminescent device using a single bipolar carrier transport layer [J]. J. Appl. Phys.,1992, 72 (5):1957-1961.
. Aziz H, Popovic Z D, Hu N X, et al. Degradation mechanism of small molecule-based organic light-emitting devices [J]. Science, 1999, 283 (5409):1900-1999.
0
浏览量
203
下载量
8
CSCD
关联资源
相关文章
相关作者
相关机构