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Lecture
Are you an EPFL student looking for a semester project?
Work with us on data science and visualisation projects, and deploy your project as an app on top of Graph Search.
This lecture delves into the band-to-band absorption process in semiconductors, focusing on the impact of defect bands in wide bandgap semiconductors like diamond. It explores the colors resulting from absorption with specific impurities and discusses non-absorption-based color origins, including Mie scattering and constructive interference in photonic crystals.