Semiconductor Physics, Quantum Electronics & Optoelectronics. 2008. V. 11, N 2. P. 151-153.
https://doi.org/10.15407/spqeo11.02.151

Numerical study of electrical characteristics of conjugated polymer light-emitting diodes
D. Abouelaoualim1, M. Assouag2 and A. Elmidaoui2

1LPSCM, University Cadi Ayaad, Physics Department, Faculty of Sciences – Semlalia P.O. Box 2390, 40000 Marrakech, Morocco
2Laboratory of the Separation Processes, University Ibn Tofail, Faculty of Sciences P.O. Box 1246, Kénitra, Morocco a

Abstract. Conjugated polymers now provide a class of processible, film-forming semiconductors and metals. In this work, the electronic properties of polymer light- emitting diodes devices are numerically studied. Our results show how an insulating buffer layer with suitable thickness decreases the barrier height at the cathode and therefore increases the electron injection. We also discuss the effects from persistent charged traps.

Keywords: polymer; light-emitting diode; current density.

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