Solar PV: Efficiency and Technologies

This lecture covers the conversion of solar energy to electricity through photovoltaic cells, including the working principle, semiconductors, solar irradiation characteristics, and efficiency calculations. It also discusses the history of photovoltaics, the impact of temperature and concentration on efficiency, and various PV technologies with their efficiencies. The instructor presents the theoretical efficiency limits, measurement methods, and factors affecting efficiency, such as temperature and concentration. The lecture concludes with an overview of the efficiencies of different photovoltaic technologies.