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In this work, electroluminescent (EL) performances of a green iridium complex (tfmppy)2Ir(tpip) were significantly improved by utilizing wide energy gap iridium complexes FK306 and FIrpic as sensitizers. Due to the low-lying energy levels, the co-doped FK306 or FIrpic molecules function as electron trappers, which are helpful in balancing holes and electrons on (tfmppy)2Ir(tpip) molecules and in broadening...
The crystal structure of Er(PM) 3 (TP) 2 [PM=1-phenyl-3-methyl-4-isobutyryl-5-pyrazolone, TP=triphenyl phosphine oxide] was reported and its photoluminescence properties were studied by UV–vis absorption, excited, and emission spectra. The Judd–ofelt theory was introduced to calculate the radiative transition rate and the radiative decay time of 3.65ms for the 4 I 13/2...
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