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A Numerical Simulation and Modeling of Poisson Equation for Solar Cell in 2 Dimensions

Akinpelu, A. and Akinojo, Omololu and Usikalu, M.R. and Onumejor, C. A. and Arijaje, Theophilus E. (2018) A Numerical Simulation and Modeling of Poisson Equation for Solar Cell in 2 Dimensions. In: 2nd International Conference on Science and Sustainable Development IOP Conf. Series: Earth and Environmental Science, 2018.

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Abstract

Solar energy is one of the primary sources of energy replacing fossil fuels due to its abundance. Its versatility and environmental friendliness has made it one of the most promising renewable sources of energy. Solar cells convert solar energy into Electrical Energy. The effort to improve the efficiency of these cells and the reduction of their costs has been a major concern for a long time. Modeling of various structures of solar cells provides an insight into the physics involved in its operation and better understanding of the ways to improve their efficiency. This work modeled Poisson Equation in 2D for an abrupt and linearly graded charge densities system with arbitrary points in space. Linear approximation and differentials, finite difference method, boundary conditions and MATLAB were used to obtain the solution. This is the first step in developing a general purpose semiconductor device simulator that is functional and modular in nature. It was observed that highest electric potential was obtained where the point charge was placed for linearly graded and doping type changed over a small distance compared to the extent of the depletion region for abrupt p-n junction. By solving Poisson equation, voltage, electric field, electric charge density and density of free carriers inside the solar cell can be known.

Item Type: Conference or Workshop Item (Paper)
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Engineering, Science and Mathematics > School of Physics
Depositing User: Mrs Hannah Akinwumi
Date Deposited: 30 Sep 2019 14:55
Last Modified: 30 Sep 2019 14:55
URI: http://eprints.covenantuniversity.edu.ng/id/eprint/12910

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