Optical Absorption: Understanding Semiconductor Behavior

Related lectures (32)

Page 3 of 4

Covers the formation of energy bands in semiconductors and their electronic properties.

Discusses dispersion relationships, band structures, and density of states in real crystals and semiconductors.

Covers the impact of temperature on Fermi levels in doped semiconductors, analyzing behavior at 300 K, 600 K, and 77 K.

Explores the historical evolution and challenges of efficient visible light emitters, focusing on LED technology and the quest for 100%+ efficiency.

Covers the introduction to electrical properties of materials and their variations.

Covers the influence of doping on carrier concentrations in extrinsic semiconductors and the resulting shifts in the Fermi energy level.

Covers the impact of doping on semiconductor properties and energy levels.

Covers the basics of light-material interaction, including reflection, refraction, absorption, luminescence, and diffusion.

Explores the band structure of semiconductors, emphasizing energy gaps and wave vectors.

Explores the formation of polarons, excitons, chemical doping effects, and charge carrier behavior in organic semiconductors.