Question

The impurity atoms with which pure silicon should be doped to make a p - type semiconductor are those of :

This question has multiple correct options
A

phosphorus

B

antimony

C

boron

D

aluminium

Medium
Solution
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Correct options are C) and D)

p type semiconductor has more number of holes than electrons.
P-type semiconductors are created by doping an intrinsic semiconductor with acceptor impurities like boron, aluminium and other group IIIA elements

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