The potential barrier in the depletion layer is due to
Options:
Ions
Holes
Electrons
Forbidden band
Correct Answer:
Ions
Explanation:
We konw that the recombination of free and mobile electrons and holes produces the narrow region at the junction called depletion layer. It is so named because this region is devoid of free and mobile charges carriers take electrons and holes and there being present only positive ions which are not free to move.