This book combines content on dye-sensitized solar cells, organic solar cells, polymer solar cells, perovskite solar cells and quantum dot solar cells from experts from the fields of chemistry, physics, materials science, and engineering. The focus of the book is to explore the development of the materials used to manufacture solar cells in order to achieve higher solar energy conversion efficiency. The beginning of the book focuses on the development of components such as photoanodes, sensitizers, electrolytes, and photocathodes for high performance dye-sensitized solar cells. The rest of the book focuses on the design of material assemblies to achieve higher solar energy conversion in new solar cell technology.