Pure red electrophosphorescent organic light-emitting diodes based on a new iridium complex |
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| Affiliation: | 1. School of Electrical and Information Engineering, Heilongjiang University of Science and Technology, Harbin 150022, China;2. School of Chemistry and Life Science, Changchun University of Technology, Changchun 130012, China;1. School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou 213164, PR China;2. College of Chemistry, Key Lab of Environment-Friendly Chemistry and Application in the Ministry of Education, Xiangtan University, Xiangtan 411105, PR China;3. Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, PR China;4. School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, PR China;1. Department of Chemistry and Chemical Technology, University of Calabria, I-87036 Rende (CS), Italy;2. Centre of Excellence “Functional Nanostructured Materials” CEMIF.CAL, LASCAMM and CR INSTM, INSTM Calabria Unit, CNR-IPCF – UOS Cosenza – Licryl Lab, I-87036 Rende (CS), Italy;3. Institute Light and Matter, University of Lyon 1, UMR 5306 – Team Fennec, 69622 Villeurbanne, France;4. INSA-Lyon, MATEIS CNRS UMR5510, 69621 Villeurbanne Cedex, France;1. Department of Chemistry, Tulane. University, New Orleans, LA 70118, United States;2. Department of Chemistry, Emory University, Atlanta, GA 30322, United States;3. Chemical and Materials Sciences, National Renewable Energy Laboratory, Golden, CO 80401, United States;1. Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center, Dankook University, Chungnam 330-714, Republic of Korea;2. Department of Polymer Science and Engineering, Dankook University, 126, Jukjeon-dong, Suji-gu, Yongin, Gyeonggi 448-701, Republic of Korea |
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| Abstract: | A new iridium complex was synthesized and demonstrated a saturated red light emission in organic light-emitting diodes (OLEDs). The maximum brightness of 2800 cd/m2 and the external quantum efficiency of 5.5% were achieved in multilayer OLEDs. The peak wavelength of the emission was found to be at 677 nm with the Commission Internationale de l’Eclairage (CIE) coordinates of (0.71, 0.27). |
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