What is the intrinsic photoconductivity effect?

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What is the intrinsic photoconductivity effect?


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Answer

The absorption of light by materials is divided into two types: intrinsic and extrinsic. When the photon energy is greater than the forbidden band width, the photons excite the electrons in the valence band to the conduction band, leaving free holes in the valence band.Intrinsic photoconductivity