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《Journal of Optoelectronics.Laser》 2013-10
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High efficiency nondoped blue OLEDs based on novel ambipolar blue emitting material TPABMI

DING Gui-ying;CHANG Xi;WANG Jin;JIANG Wen-long;OUYANG Xin-hua;Key Laboratory of Functional Materials Physics and Chemistry,Ministry of Education,Jilin Normal University;Ningbo Institute of Materials Technology Engineering.Chinese Academy of Sciences;  
We investigate the electroluminescence(EL)characteristics of a novel blue emitting material TPABMI.The results demonstrate the TPABMI with strong blue emitting and hole-electron transporting ability.Based on the performance,an un-doping blue organic light-emitting device(OLED)was fabricated.The blue device structure is as follows:ITO/NPBX(40nm)/TPABMI(20nm)/TPBi(20nm)/LiF(0.5nm)/Al(93nm).A series of blue devices were fabricated by inserting TCTA thin layer between the hole-hole transport layer NPB and emitting layer TPABMI,and inserting ITO buffer layer of MoO3.It has the configuration of ITO/MoO3(10nm)/NPB(80nm)/TCTA(5nm)/TPABMI(20nm)/TPBi(40nm)/LiF(1nm)/Al(100nm).Blue OLEDs were obtained with the maximum emission wavelength at about 464nm and the Commission International de L′Eclairage coordinates of(0.150 9,0.1438),the maximum luminance is 18970cd·m-2 and the maximum luminous efficiency of 5.48cd·A-1 at an applied voltage of 16V.The efficiency slightly varies from 6V(3.53cd·A-1)to 14V(3.66cd·A-1);The CIE coordinates slightly vary from(0.158,0.1469)to(0.150 9,0.143 8)when the voltage shifts from 6V(6cd·m-2)to 16V(18 970cd·m-2).
【Fund】: 吉林省科技发展计划(20082112 20100510 201215221);; 吉林省教育厅“十二五”科研计划(20120175);; 吉林省自然科学基金(20101512)资助项目
【CateGory Index】: TN383.1
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【Citations】
Chinese Journal Full-text Database 5 Hits
1 HOU Lin-tao,LIU Peng-yi,ZHANG Jing-lei,WU Chun-hong,LI Yan-wu,WU Bing(Department of Physics,Jinan University,Guangzhou 510632,China);Improved Hole-injection Contact by Employing an Ultra-thin MoO_3 Carrier Injection Layer[J];Chinese Journal of Luminescence;2010-03
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 LIAO Ya-qin1,2,CHEN-hong1,LIU Xing-yuan1 (1.Laboratory of Exicited State Processes,Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;2.Graduate School of Chinese Academy of Sciences,Beijing 100039,China);Effect of PrF_3 Anode Buffer Layer on The Performance of OLED[J];Chinese Journal of Luminescence;2011-09
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8 MU Qiang*,MU Xi-yuan,ZHANG Fang-hui(College of Electrical & Information Engineering,Shaanxi University of Science and Technology,Xi′an 710021,China);Effects of preparation method for functional layer interface on the performance of OLEDs[J];Journal of Optoelectronics.Laser;2013-03
9 HUANG Jin,ZHANG Fang-hui School of Electric and Information Engineering,Shaanxi University of Science and Technology,Xi'an 710021,China;Influence of BCP on Efficiency of Red Phosphorescent Electroluminescent Device[J];Spectroscopy and Spectral Analysis;2013-07
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