"Version: 20250301"--Title page verso.Includes bibliographical references.1. Introduction -- 1.1. Historical perspective -- 1.2. Solar radiation fundamentals -- 1.3. Photovoltaic effect -- 1.4. Solar cell fundamentals -- 1.5. Shockley-Queisser limit -- 1.6. Conclusions2. Material considerations -- 2.1. Material fundamentals -- 2.2. Amorphous silicon -- 2.3. Materials overview -- 2.4. Spectral r…