Alassane Diaw^1,, Oumar A. Niasse¹, Nacire Mbengue¹, Bassirou Ba¹

The decrease in the reflection of light on the lens is due to the porosity of the surface on a very thin thickness due to the refractive index became lower at 30 %. It is well known that the deposition of one or more layers of certain materials on the front face of the photovoltaic cells and optoelectronic devices such as lasers, diodes, reduces the reflection of the incident light, which improves the performance of the cells. Solar energy, whose efficiency varies around 60 %. In this study, the influence of the thickness of an antireflection layer, in this case SiO₂, TiO₂, MgF₂, Si₃N₄, ZrO₂ on the spectral response of the solar cell to silicon which passes up to about 90 % for a layer of MgF₂/TiO₂/Si whose refractive index values are respectively n = 1.3767 and n = 2.5742 quite far apart.

solar cell, antireflection coating, spectral response, thickness, refractive index