Ola Ragb1, Mokhtar Mohamed2, Mohamed S. Matbuly1, Omer Civalek3,*
CMES-Computer Modeling in Engineering & Sciences, Vol.137, No.3, pp. 2193-2217, 2023, DOI:10.32604/cmes.2023.028992
Abstract Four numerical schemes are introduced for the analysis of photocurrent transients in organic photovoltaic devices.
The mathematical model for organic polymer solar cells contains a nonlinear diffusion–reaction partial differential
equation system with electrostatic convection attached to a kinetic ordinary differential equation. To solve the
problem, Polynomial-based differential quadrature, Sinc, and Discrete singular convolution are combined with
block marching techniques. These schemes are employed to reduce the problem to a nonlinear algebraic system.
The iterative quadrature technique is used to solve the reduced problem. The obtained results agreed with the
previous exact one and the finite More >
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