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Improved lifetime with enhanced efficiency of an Alq 3 based OLED was realized by the co-evaporation of hexamethylbenzene (HMB). Two different solvated crystalline systems of Alq 3 , Alq 3 (C 7 H 8 ) 1/2 , Alq 3 (C 2 H 5 OH), were synthesized to investigate the effect of optically inactive materials on the emission properties...
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