Abstract
We have synthesized a novel nonconjugated phosphorescent terpolymer, PPPMA-co-DTPM-co-Ir(ppy)3, containing perylene and Ir complex moieties as lightemitting units and a triazine moiety as electron transporting unit in the polymer side chain. The single-layered electroluminescence (EL) device consisting of ITO/nonconjugated phosphorescent terpolymer/Al exhibited maximum external quantum efficiency and good carrier balance when the Ir feed concentration was 8%. The emission spectrum showed no emission peak from perylene unit, indicating that the energy transfer from perylene unit to guest Ir unit is efficient. The drive voltage decreased below 6.5 V. The CIE coordinate was x = 0.22 and y = 0.54.
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