How Solar Cells Work

The detail of how a solar photovoltaic cell (PV) works to produce electricity from sunshine. Doping of semiconductor such as silicon is explained. The history of the creation of the first solar cells. All of the details in a cell including n-type, p-type, depletion region, electron diffusion, creation of ion-electron pairs explained including an analogy to children in a park. Engineering and color of the cells.