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利用一种新型有机金属配合物二(2-(4-三氟甲基-2-羟基苯基)苯并噻唑锌(Zn(4-TfmBTZ)2),基于NPB/Zn(4-TfmBTZ)2界面电致激基复合物,制备了一系列异质结量子阱结构有机电致白光器件.结果表明,量子阱结构可以有效提高界面电致激基复合物的发光效率以及器件的显色指数和色度稳定性.得出器件ITO/NPB (60 nm)/Zn(4-TfmBTZ)2(3.0 nm)/NPB (4.0 nm)/Zn(4-TfmBTZ)
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关键词:
- 二(2-(4-三氟甲基-2-羟基苯基)苯并噻唑锌 /
- 电致激基复合物 /
- 量子阱 /
- 白光
A series of white organic electroluminescent devices with a quantum well structure were fabricated based on a new type of organic metal complex bis(2-(4-trifluoromethyl-2-hydroxyphenyl) benzothiazolate) zinc (Zn(4-TfmBTZ)2) by electroplex at NPB/Zn(4-TfmBTZ)2 interface. The results show that the introduction of the hetero-junction quantum well structure can increase effectively the efficiency of electroplex emission, color rendering index(CRI),and the color coordination stability. The optimized device ITO/NPB (60 nm)/Zn(4-TfmBTZ)2(3.0 nm)/NPB (4.0 nm)i> /Zn(4-TfmBTZ)2(30 nm) /Alq3 (30 nm)/LiF(1.5 nm)/Al(150 nm) is obtained with color coordinates of (0.324, 0.337), the highest CRI of 92.5, a maximal brightness of 2013 cd/m2, and a maximal efficiency of 1.03 cd/A,. This device shows very high color stability when the driving voltage is varied from 10 V to 14 V.-
Keywords:
- bis(2-(4-trifluoromethyl-2-hydroxyphenyl) benzothiazolate) zinc /
- electroplex /
- white light /
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[5] Wang B Z, Zhang A Q, Wu H B, Yang W, Wen S S 2010 Acta Phys. Sin. 59 4240 (in Chinese)[王保争、张安琪、吴宏滨、杨 伟、文尚胜2010 59 4240]
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[14] Yang S, Zhang X, Hou Y, Deng Z, Xu X 2007 J. Appl. Phys. 101 096101
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[18] Song S F, Zhao D W, Xu Z, Xu X R 2007 Acta Phys. Sin. 56 3499 (in Chinese) [宋淑芳、 赵德威、 徐 征、 徐叙瑢 2007 56 3499]
[19] Fujita S, Nakazawa T, Asano M 2000 Jpn. J. Appl. Phys. 39 5301
[1] Reineke S, Lindner F, Schwartz G, Seidler N, Walzer K, Lüssem B, Leo L 2009 Nature 459 234
[2] Sun Y, Giebink N C, Kanno H, Ma B, Thompson M E, Forrest S R 2006 Nature 440 908
[3] Wang Q, Ding J, Ma D, Cheng Y, Wang L, Wang F 2009 Adv. Mater. 21 2397
[4] Wu X M, Hua Y L, Yin S G, Zhang G H, Hui J L, Zhang L J, Wang Y, 2008 Acta Phys. Sin. 57 1150 (in Chinese)[吴晓明、华玉林、 印寿根、 张国辉、 惠娟利、 张丽娟、 王 宇2008 57 1150]
[5] Wang B Z, Zhang A Q, Wu H B, Yang W, Wen S S 2010 Acta Phys. Sin. 59 4240 (in Chinese)[王保争、张安琪、吴宏滨、杨 伟、文尚胜2010 59 4240]
[6] Cocchi M, Kalinowski J, Murphy L, Williams J A G, Fattori V 2010 Org. Electron. 11 388
[7] Kalinowski J, Cocchi M, Virgili D, Fattori V, Williams J A G 2007 Adv. Mater. 19 4000
[8] Chen S F, Wu Z J, Zhao Y, Li C N, Hou J Y, Liu S Y 2005 Org. Electron. 6 111
[9] Zhu J Z, Li W L, Han L L, Chu B, Zhang G, Yang D F, Chen Y R, Su Z S, Wang J B, Wu S H, Tsuboi T 2009 Opt. Lett. 34 2946
[10] Yang S, Jiang M 2009 Chem. Phys. Lett. 484 54
[11] Zhu H, Xu Z, Zhang F, Zhao S, Wang Z,Song D2009 Synth. Met. 159 2458
[12] Finlayson C E, Kim J S, Liddell M J, Friend R H, Jung S H, Grimsdale A C, Müllen K 2008 J. Chem. Phys. 128 044703
[13] Yang C C, Hsu C J, Chou P T, Cheng H C, Su Y O, Leung M K 2010 J. Phys. Chem. B 114 756
[14] Yang S, Zhang X, Hou Y, Deng Z, Xu X 2007 J. Appl. Phys. 101 096101
[15] Zhang W, Yu J S, Huang J, Jiang Y D, Zhang Q, Cao K L 2010 Chin. Phys. B 19 047802
[16] Xu B S, Xu H X, Fang X H, Chen L Q, Wang H, Hao Y Y2009 China Patent 200910073701.7
[17] Hao Y Y, Meng W X, Xu H X, Wang H, Liu X G, Xu B S 2010 Org. Electron. 12 136
[18] Song S F, Zhao D W, Xu Z, Xu X R 2007 Acta Phys. Sin. 56 3499 (in Chinese) [宋淑芳、 赵德威、 徐 征、 徐叙瑢 2007 56 3499]
[19] Fujita S, Nakazawa T, Asano M 2000 Jpn. J. Appl. Phys. 39 5301
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