Which of the following elements is a trivalent impurity used for doping Silicon to create a p-type s

Question

Which of the following elements is a trivalent impurity used for doping Silicon to create a p-type semiconductor?

Professor PC Thomas Classes · Answer

Indium, Boron, and Aluminium are trivalent impurities (Group 13) which create a hole (vacancy) when bonded with Silicon, resulting in a p-type semiconductor.