Question
Chemistry Question on The solid state
Addition of group-13 elements to intrinsic semiconductors results in
A
creation of conduction band slightly above the valence band
B
creation of conduction band slightly below the valence band
C
creation of valence band slightly above the conduction band
D
overlapping of valence band and conduction band
Answer
creation of conduction band slightly above the valence band
Explanation
Solution
Addition of group −13 elements to semiconductors results in creation of conduction band above the valence band.