How can intrinsic semiconductor material be converted into n-type extrinsic semiconductor? Explain with the help of energy band diagrams?

What is an intrinsic semiconductor? How can this material semiconductor? How can this material be converted into p-type extrinsic semiconductor? Explain with the help of energy band diagrams?

What is n-type semiconductor ?

What are intrinsic semiconductors? Describe P-type and N-type semiconductors.

Distinguish between intrinsic and extrinsic semiconductors.