Solar cells, devices that can generate electricity from sunlight, are already helping to reduce fossil fuel emissions in many countries worldwide. In recent years, energy engineers have been assessing ...

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 ...

Perovskites are promising materials for solar cells. A layer of dipolar molecules at the perovskite surface improves the efficiency of these devices. Read the paper: All-perovskite tandem solar cells ...