Alternative model for injection-limited current into organic solids

Mohammad-Reza Fathollahi; Mohammad-Javad Sharifi; Farhad Akbari Boroumand; Farshid Raissi; Ezeddin Mohajerani

doi:10.1117/1.JPE.5.057610

26 May 2015 Alternative model for injection-limited current into organic solids

Mohammad-Reza Fathollahi, Mohammad-Javad Sharifi, Farhad Akbari Boroumand, Farshid Raissi, Ezeddin Mohajerani

Author Affiliations +

Journal of Photonics for Energy, Vol. 5, Issue 1, 057610 (May 2015). https://doi.org/10.1117/1.JPE.5.057610

Abstract

This study demonstrates an analytical relation that models the carrier injection in metal-organic interfaces and which considers two consecutive carriers hopping as the injection mechanism. The new formula has superior attributes and can surpass conventional relations, in particular the thermionic emission-diffusion formula. For example, the model can properly trace the temperature dependency of the injection up to temperatures as low as 30 K and the full range of electric fields. Also, the prominence of joule heating for proper modeling of the injection is presented. This study examines the validity of the introduced analytical equation by exploring the injection in several practical contacts extracted from the literature, the results of which are discussed in this paper.

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Mohammad-Reza Fathollahi, Mohammad-Javad Sharifi, Farhad Akbari Boroumand, Farshid Raissi, and Ezeddin Mohajerani "Alternative model for injection-limited current into organic solids," Journal of Photonics for Energy 5(1), 057610 (26 May 2015). https://doi.org/10.1117/1.JPE.5.057610

Published: 26 May 2015

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