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Journal of Photonics for Energy

Alternative model for injection-limited current into organic solids
Author(s): Mohammad-Reza Fathollahi; Mohammad-Javad Sharifi; Farhad Akbari Boroumand; Farshid Raissi; Ezeddin Mohajerani
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Paper 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.

Paper Details

Date Published: 26 May 2015
PDF: 17 pages
J. Photon. Energy 5(1) 057610 doi: 10.1117/1.JPE.5.057610
Published in: Journal of Photonics for Energy Volume 5, Issue 1
Show Author Affiliations
Mohammad-Reza Fathollahi, Shahid Beheshti Univ. (Iran)
Mohammad-Javad Sharifi, Shahid Beheshti Univ. (Iran)
Farhad Akbari Boroumand, K. N. Toosi University of Technology (Iran)
Farshid Raissi, K. N. Toosi University of Technology (Iran)
Ezeddin Mohajerani, Shahid Beheshti Univ. (Iran)

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