0
$\begingroup$

I have a few queries regarding the barrier potential in a p-n junction diode. enter image description here

  1. Is the barrier potential dependent on temperature? Why/why not?

  2. Does the barrier potential depend on doping concentration? Why/Why not?

  3. Why is the barrier potential different for different semiconductors?

Basically, what determines the barrier potential for a p-n junction?

Improve this question
$\endgroup$
0

1 Answer 1

Reset to default
1
$\begingroup$

In a homojunction the barrier potential depends on the difference in Fermi levels been the n and p sides. If different materials are used (heterojunction) then there is an additional potential from intrinsic difference in electron affinity.

Improve this answer
$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.