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In a p-n junction, width of depletion re...

In a p-n junction, width of depletion region is 300 nm and electric field of `7 xx 10^(5) V//m` exists in it.
(i) Find the height of potential barrier.
(ii) What should be the minimum kinetic energy of a conduction electron which can diffuse from the n-side to the p-side?

Text Solution

Verified by Experts

(i) `V=Ed = 7 xx 10^(5) xx 300 xx 10^(-9)= 0.21 V`
(ii) Kinetic energy =eV = 0.21 eV
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