The impact of sunlight spectral shifts on bifacial perovskite-silicon tandem solar cells

Experts from the International Solar Energy Society explains how regional spectral shifts of the standard spectral distribution of sunlight bring new insights into the performance of bifacial perovskite-silicon tandem solar cells.The ASTM G173 Standard Spectral Distribution of Sunlight represents a standard, reference solar spectrum that is used for solar photovoltaics testing and calibration purposes. It was defined in the seventies and is derived from measurements at a location with clear atmospheric conditions and an Air Mass of 1.5 (AM 1.5), which is typical of sunlight at mid-latitudes (like ...

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