Synthesis and properties of iridium complexes based 1,3,4-oxadiazoles derivatives |
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| Authors: | Zhaowu Xu Xuemei Ma He Tian |
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| Institution: | a Key Laboratory for Advance Materials and Institute of Fine Chemicals, East China University of Science and Technology, Shanghai, 200237, China
b State Key Laboratory on Surface Physics, Fudan University, Shanghai 200433, China |
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| Abstract: | A series of iridium complexes with 2,5-diaryl-1,3,4]-oxadiazole ligands were synthesized and their electrochemical, photophysical, and electroluminescent (EL) properties studied. It was found that electron-withdrawing or donating substituents on the phenyl ring affected the emission maxima. Complex 3, iridium(III) bis(2,5-bis-(2-hydroxyphenyl)-1,3,4]oxadiazolato-C2′,N3) (acetyl acetonate), was characterized by single-crystal X-ray structural determination. Three organic light emitting diodes devices were fabricated, which showed stable green-yellow luminescence. |
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