Abstract3.1 Introduction3.2 Solar Radiation [1,3–5]3.3 Materials and Semiconductors [1,4–9]3.4 Photovoltaic Materials [1,10–12]3.5 Electrical Characteristics [1,13–19]3.6 PV Components and Standards [18–21]3.7 Photovoltaic Power Systems and Technologies [22–27]3.8 Materials for Future Photovoltaic Systems [28–41]3.9 Summary