IonMonger: a free and fast planar perovskite solar cell simulator with coupled ion vacancy and charge carrier dynamics

Details of an open-source planar perovskite solar cell simulator, which includes ion vacancy migration within the perovskite layer coupled to charge carrier transport throughout the perovskite and adjoining transport layers in one dimension, are presented. The model equations are discretised in spac...

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Bibliographic Details
Published in:Journal of computational electronics 2019-12, Vol.18 (4), p.1435-1449
Main Authors: Courtier, N. E., Cave, J. M., Walker, A. B., Richardson, G., Foster, J. M.
Format: Article
Language:English
Subjects:
Carrier transport
Circuits
Current carriers
Differential equations
Electric potential
Electrical Engineering
Engineering
Illumination
Interfaces
Mathematical and Computational Engineering
Mathematical and Computational Physics
Mechanical Engineering
Numerical analysis
Optical and Electronic Materials
Parameter modification
Perovskites
Personal computers
Photovoltaic cells
Simulation
Solar cells
Theoretical
Voltage
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Description
Summary:Details of an open-source planar perovskite solar cell simulator, which includes ion vacancy migration within the perovskite layer coupled to charge carrier transport throughout the perovskite and adjoining transport layers in one dimension, are presented. The model equations are discretised in space using a finite element scheme, and temporal integration of the resulting system of differential algebraic equations is carried out in MATLAB. The user is free to modify device parameters, as well as the incident illumination and applied voltage. Time-varying voltage and/or illumination protocols can be specified, e.g. to simulate current–voltage sweeps, or to track the open-circuit conditions as the illumination is varied. Typical simulations, e.g. current–voltage sweeps, only require computation times of seconds to minutes on a modern personal computer. An example set of hysteretic current–voltage curves is presented.
ISSN:1569-8025
1572-8137
DOI:10.1007/s10825-019-01396-2