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Electroluminescence (EL) and transient EL response have been studied on organic light-emitting diode (OLED) devices based on phosphorescent PtOEP molecule. As the emitting layer, we used layer of PtOEP doped in CBP host material and layer formed by 100%PtOEP (without doping in host). Three EL bands are observed at 500, 527 and 570 nm in the latter device besides red EL due to PtOEP. The 500 and 527...
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