Optimization of TiO_2 Nanostructure Antireflection Coatings for Enhanced Optical Performance in GaAs Solar Cells
DOI:
https://doi.org/10.33003/fjorae.2024.0102.06Keywords:
Antireflection, Coating, COMSOL, Nanostructure, Solar cell, Titanium dioxideAbstract
This study presents the effects of the various titanium dioxide nanostructures as anti-reflection coatings on solar cells. The study is conducted in the COMSOL Multi-physics environment where solar cell and titanium dioxide based antireflection coating are simulated. The optical properties of the solar cells with and without the coating were evaluated. Three different coating particles were used; cubic, spherical and pyramidal. The simulation results showed that the cubic nanostructure was found to be more effective, reducing the reflectance percentage from 25.5% without to 3.55% with the ARC at a dimension of 50 nm. The pyramidal nanostructure at same width and a height of 100 nm also demonstrated a reduction in reflectance to 9.9%. This result will definitely enhance the absorption capability of the solar cell whereby increasing its overall efficiency.
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