High efficiency mer-iridium complexes for organic light-emitting diodes |
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| Authors: | Yang Cheng-Hsien Fang Kai-Hung Chen Chun-Hung Sun I-Wen |
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| Affiliation: | National Cheng Kung University, Department of Chemistry, No. 1, Ta-Hsueh Road, Tainan, Taiwan, 701, Republic of China. |
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| Abstract: | We have developed a new process at high vacuum (5 x 10(-5) Torr) and high temperature (300 degrees C) to produce meridional iridium complexes from the dimer; interestingly, mer-Ir(m-ppy)(3) overthrows the concept of poor efficiency and shows excellent efficiency which is almost equal to that of fac-Ir(ppy)(3), fac-Ir(m-ppy)(3) and (ppy)(2)Ir(acac). |
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