Co₂MnSi, FULL HEUSLER COMPOUND FOR SOLAR CELL APPLICATIONS
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Date
2025-09-03
Authors
Najjar, Samer
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Publisher
An-Najah National University
Abstract
The simulations for this thesis were performed in COMSOL Multiphysics, which is one of the most commonly used platforms for scientific modeling and analysis.
This project proposed a three-layer solar cell design, with particular emphasis on one of the crucial layers, the absorber layer. In this study, was evaluated the performance of a Full Heusler compound (Co₂MnSi) against traditional materials such as silicon and perovskite.
During the simulation process, the temperature was held constant at 298 K, and the absorber layer thickness was varied from 100 nm to 700 nm for all three materials to allow for a fear comparison. For all materials, an initial applied voltage of 0-0.55 V led to nearly identical length quantities at first. When the voltage reached above to range 0-1.2 V, performance degradation was detected, but no significant difference was found otherwise.
The presented method provides short circuit current density Jsc, open circuit voltage Voc, and fill factor FF for sub-cells measuring current in both forward bias and reverse bias, without compromising overall cell performance. An efficiency as high as 41.41% is achievable with the heusler compound Co2MnSim surpassing the performance of silicon and perovskite-based structures in this regard.
In addition, several graphical analyses were obtained (I–V, J-V and P–V characteristics), were conducted to demonstrate the behavior of these three materials under different operating conditions. These results reveal that Co₂MnSi is a good candidate for an advanced absorber material in the next-generation photovoltaic device.