A thin layer on both sides of the p – n junction which is devoid of free electrons and holes and contains mostly immobile ions is called depletion region.
Class 12 Physics Chapter 14 Semiconductor Electronics Session 2024-2025.
What is depletion region in a p – n junction?
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The depletion region in a p-n junction is the area near the junction where free electrons and holes recombine, leaving behind fixed ions. This creates an electric field, prevents further charge carrier movement, and acts as an insulating barrier.
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