Title :
Generalized charge transport model for organic/inorganic material systems
Author :
Mottaghian, Seyyed Sadegh ; Baroughi, Mahdi Farrokh ; Bayat, Khadijeh ; Biesecker, Matt ; Kimn, Jung-Han
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., South Dakota State Univ., Brookings, SD, USA
Abstract :
This paper introduces a generalized charge transport model for hybrid organic-inorganic semiconducting systems. The model is formed of five coupled nonlinear partial differential equations consisting of the Poisson´s equation and four continuity equations for electrons, holes, excitons, and triplets. The model allows transformation of one particle (electron/hole, excitons, and triplets) to another through a transformation ratio. Variables are electric potential, density of electrons, holes, excitons and triplets. Furthermore, the model is capable of modeling heterointerfaces, density of interfaces traps, dissociation of excitons at the heterointerfaces, and recombination velocities for different particles at the metallic contacts.
Keywords :
Poisson equation; electron density; electron-hole recombination; excitons; hole density; interface states; nonlinear differential equations; organic semiconductors; organic-inorganic hybrid materials; partial differential equations; semiconductor heterojunctions; triplet state; Poisson equation; continuity equations; coupled nonlinear partial differential equations; electric potential; electron density; exciton density; exciton dissociation; generalized charge transport model; heterointerfaces; hole density; hybrid organic-inorganic semiconducting systems; interfaces trap density; metallic contacts; recombination velocities; triplet density; Equations; Excitons; Mathematical model; Numerical models; Photovoltaic cells; Spontaneous emission;
Conference_Titel :
Photovoltaic Specialists Conference (PVSC), 2010 35th IEEE
Conference_Location :
Honolulu, HI
Print_ISBN :
978-1-4244-5890-5
DOI :
10.1109/PVSC.2010.5614529