Abstract
Management of light is a crucial task in solar cell design and structure because it increases the path length of the light inside, which in turn increases the probability of electron-hole pair generation. This study addresses the impact of a pyramidal textured structure on spectral transmission in the morphology of silicon. The morphology of silicon wafers was investigated using PC3S spectral transmission software to study the spectral transmission, reflectance, collection probability, mobility, carriers, electric field, velocity, current and surface recombination. Spectral transmission on the front surface with pyramidal texture showed a better transmission percentage than the planar surface. The texture with a depth of 20 μm and base length of 20 μm exhibited good performance in front spectral transmission, spectral reflectance, electric field, velocity, current and surface recombination from the top to the bottom of the sample. The planar surface had more reflectance and lower collection probability than the other pyramidal textured samples due to its low mobility, carriers, electric field, velocity and current but high surface recombination.
Highlights
Texturization is the formation of a rough surface on silicon wafer, and it can be performed through the texturing process
A planar surface silicon solar cell has high optical losses, which affect the entire performance of the solar cell considerably [2]
The third part, PC3S optics, provides information on the parameter used in PC3S simulation to estimate the spectral transmission of the solar cell samples; the information consists of spectrum, surface coating, power density, absorption coefficient and index of reflection with respect to wavelength in air
Summary
Texturization is the formation of a rough surface on silicon wafer, and it can be performed through the texturing process This process increases the surface area of silicon solar cells that can extract and trap more photon energy than a planar surface can. A planar surface silicon solar cell has high optical losses, which affect the entire performance of the solar cell considerably [2]. A textured surface significantly reduces optical losses by trapping incident photons inside the textured structures, improving the performance of the solar cell. It overcomes all of the main problems related to production costs [3,4]
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