1. About the book 2. Motivation 3. Basics of solar cells 4. Si1-xGex deposition and properties 5. Single junction Si1-xGex solar cells 6. Lattice matched III-V on Si via Si1-xGex buffer layer 7. Modeling and simulations of c-Si1-xGex based solar cells 8. Cost benefits of Si1-xGex for III-V growth 9. Other applications of Si1-xGex