Carrier transport mechanisms in organic electroluminescent devices

Jun Shen; Ji-Hai Xu; Jie Yang; Franky So; H.-C. Lee

doi:10.1117/12.305428

17 April 1998 Carrier transport mechanisms in organic electroluminescent devices

Jun Shen, Ji-Hai Xu, Jie Yang, Franky So, H.-C. Lee

Proceedings Volume 3281, Polymer Photonic Devices; (1998) https://doi.org/10.1117/12.305428
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

The current-voltage relationships in organic electroluminescent devices are derived for the following two cases: (1) double-carrier injection trap-charge limited (TCL) regime, and (2) TCL conduction with internal photodetrapping. Several experimental observations are explained based on our equations. Location of the recombination zone is predicted. A numerical model is also developed to simulate the TCL conduction. Current-voltage characteristics, band and charge profiles are obtained to elucidate the conduction mechanism in the organic electroluminescent devices with large trap densities.

Citation Download Citation

Jun Shen, Ji-Hai Xu, Jie Yang, Franky So, and H.-C. Lee "Carrier transport mechanisms in organic electroluminescent devices", Proc. SPIE 3281, Polymer Photonic Devices, (17 April 1998); https://doi.org/10.1117/12.305428

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