This course is intended to equip any students interested in electronic materials and devices with the fundamentals of semiconductor devices. The materials covered in the course begin with fundamentals and accelerate to advanced topics in semiconductor physics. This course expands on the foundational knowledge of solid-state physics by focusing on energy bands in materials. You will study the electronic structure of solids, comprehend the behavior of conductors, semiconductors, and insulators, and explore advanced concepts such as band gaps. After completing this course, you will have a deeper understanding of the electronic and optical behavior of solids, which will prepare you for more specialized studies and applications in the field of materials science and technology. This knowledge will empower you to contribute to advancements in electronics, photonics, and renewable energy technologies.