Types of Semiconductor

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Types of semiconductors


1)  Intrinsic(pure): A semiconductor which is extremely pure is called intrinsic semiconductor. In intrinsic semiconductor two most important semiconductors are Germanium and Silicon
2)  Extrinsic(impurity): Certain amount of desired impurity is added. The process of adding impurity to pure semiconductor is called Doping

Two type of impurity
1)  P-Type semiconductor
2)  N-Type semiconductor

P-Type semiconductor
When a small amount of trivalent impurity is added to the pure semiconductor P-Type is formed



N-Type semiconductor
When a small amount of Pentavalent impurity added to the Pure semiconductor N-Type formed





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