The book provides a complete overview of the state-of-the-art in perovskite solar cell research from materials to devices, also addressing the critical issue of solar cell stability. With contributions from leading researchers in the field, the book covers novel materials such as lead-free and 2D and 3D materials, advanced modeling and simulation approaches, new fabrication processes such as slot-die coating and vacuum sublimation as well as detailed insights into the device physics of perovskite solar cells, including innovative approaches to increase the light conversion efficiency.