Author/Authors :
Fu، نويسنده , , Y.J. and Wong، نويسنده , , T.K.S. and Wang، نويسنده , , G.M. and Hu، نويسنده , , X. and Zhang، نويسنده , , H.X. and Gao، نويسنده , , Z.S. and Jiang، نويسنده , , M.H.، نويسنده ,
Abstract :
Electroluminescent (EL) properties of 6,6⁗-dimethyl-4′,4‴-diphenyl-2,2′:6′,2″:6″,2‴:6‴,2⁗-quinquepyridine (DMDPQPY) have been examined. The EL results of typical single layer devices indicate that emitting layer thickness can influence the emission wavelength. The introduction of a hole transporting layer in the double layer device enhances the luminance greatly, showing a better charge balance. It is proposed that 2,6-linked poly(oligo) pyridine derivatives are promising to form a new class of EL material both as emitter and as carrier transporter.
