In this thesis, we studied the technology of perovskite solar cells under indoor light illumination. This technology is considered one of the most promising in the field of green transition. With low manufacturing cost and high power conversion efficiency (PCE) when exposed to sunlight or artificial lights, perovskite solar cells could potentially replace silicon solar cells. We manufactured perovskite solar cells and tested them under different spectra and intensities of indoor LED light. We achieved a PCE of 18 % under 1-sun condition and 31 % under indoor illumination. Based on the PCE measurements under indoor illumination, where we obtained high PCE values, we can conclude that perovskite solar cells effectively absorb light in the visible spectrum, making them ideal for indoor use. The results of measurements with a white LED for indoor lighting showed that the light is most homogeneous around the central point, where we conducted other measurements as well. We found that the intensity of light affects the spectrum, with the greatest difference observed between the lowest and highest intensities. It is evident from the measurements that the cells are better suited to the spectrum of a warmer white LED, as in this case, the PCE was higher.
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