Thin Film Technologies

This lecture covers the fundamentals and processes for photovoltaic devices, focusing on thin film technologies such as CdTe and CIGS, III-V, tandem, triple, and multijunction cells, as well as dye, organic, and perovskite cells. It discusses the advantages and drawbacks of thin films compared to wafers, including high efficiency, reduced material use, flexible modules, and lower energy payback time. The lecture also explores energy payback time exercises, the differences between thin film and wafer-based technologies, and the market status of various PV technologies. Additionally, it delves into the structures, efficiencies, and market challenges of CdTe and CIGS solar cells, as well as the advancements in organic and perovskite solar cells.