Provide the classification of semi-conductors with example. - Vidyadip

Question

Provide the classification of semi-conductors with example.

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Answer

→The Semi-conductors can be classified as follows:
(i) Elemental Semi-conductors : $S i$ and Ge
(ii) Compound Semi-conductors :
Example are :
(a) Inorganic : $C d S, G a A s, C d S e, I n P$ etc.
(b) Organic : anthracene, doped pthalocyanines, etc.
(c) Organic polymers : polypyrrole, polyaniline, polythiophene etc.
→Most of the currently available semi-conductor devices are based on elemental semiconductors $S i$ or $G e$ and compound inorganic semiconductors.

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