Add time:09/29/2019         Source:infona.pl

Two red emitting iridium complexes (DBA) 2 Ir(acac) and (BA) 2 Ir(acac) (DBA=5,6-dihydro-benzo[c]acridine, BA=benzo[c]acridine, acac=acetylacetone) were synthesized. Organic light-emitting devices using these complexes as dopant emitters have been fabricated. The results showed that these complexes have strong phosphorescent characters and the devices emit pure red light. The maximum brightness of the device based on (DBA) 2 Ir(acac) is 9540 cd/m 2 with an external quantum efficiency of 4.66%.

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