Fluorescent deep-blue and hybrid white emitting devices based on a naphthalene-benzofuran compound
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AbstractWe report the synthesis, photophysics and electrochemical properties of naphthalene-benzofuran compound 1 and its application in organic light emitting devices. Fluorescent deep-blue emitting devices employing 1 as the emitting dopant embedded in 4-4′-bis(9-carbazolyl)-2,2′-biphenyl (CBP) host show the peak external quantum efficiency of 4.5% and Commission Internationale d'Énclairage (CIE) coordinates of (0.15, 0.07). Hybrid white devices using fluorescent blue emitting layer with 1 and a phosphorescent orange emitting layer based on an iridium-complex show the peak external quantum efficiency above 10% and CIE coordinates of (0.31, 0.37). © 2013 Published by Elsevier B.V.
CitationYang, X. H., Zheng, S. J., Chae, H. S., Li, S., Mochizuki, A., & Jabbour, G. E. (2013). Fluorescent deep-blue and hybrid white emitting devices based on a naphthalene–benzofuran compound. Organic Electronics, 14(8), 2023–2028. doi:10.1016/j.orgel.2013.03.012
SponsorsFinancial support by National Natural Science Foundation of China (Grant No. 61177030), the Chinese Ministry of Education under the Program for New Century Excellent Talents in Universities (Grant No. NCET-11-0705), the start-up Grant (SWU111057) from Southwest University, KAUST, and FiDiPro program, Academy of Finland, is acknowledged.