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Organic semiconductors, metal oxides, and nanomaterials hold promise as the future basis for efficient, cost-effective, large scale optoelectronic devices. This tool computes the transient and steady-state charge and exciton distributions in devices composed of a sequence of planar, distinct layers of semiconductor and nanostructured materials. The model utilizes a rate equation formalism based upon the idea of hopping across a one-dimensional chain of atoms and molecules. In the limit of low field and a narrow, the model is equivalent to the drift-diffusion equations. The advantage of the rate equation formalism lies in its generalizability; various injection models, Foerster resonant energy transfer, interfacial recombination, and tunneling can be studied within this framework.
SciPy, Cython, C++, and the GNU Scientific Library
Polina Anikeeva, Jeff Grossman, Vladimir Bulovic, Alexi Arango, and Vanessa Wood
ENI, The National Science Foundation
J. Nelson, J. Kirkpatrick, and P. Ravirajan. Factors limiting the efficiency of molecular photovoltaic devices. Physical Review B, 69 (3) 035337, Jan 2004. J. Staudigel, M. Stossel, F. Steuber, and J. Simmerer. A quantitative numerical model of multilayer vapor-deposited organic light emitting diodes. Journal of Applied Physics, 86 (7) 3895–3910, October 1, 1999 P. Peumans, A. Yakimov, and S. R. Forrest. Small molecular weight organic thin- film photodetectors and solar cells. Journal of Applied Physics, 93 (7) 3693–3723, April 1, 2003 2003. J. C. Scott and G. G. Malliaras. Charge injection and recombination at the metal-organic interface. Chemical Physics Letters, 299 (2) 115–119, 1/6 1999.
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