Why the reverse bias dark current is quite high compared to the forward bias dark current in p-n junction photodetector?

18 September 2024 0 2K Report

I have taken the below device structure for the photodector. When I measure the IV characteristics after considering the Cu2O as n-type and p-type silicon (p-n junction device), the dark current (bias>0V) is quite high compared to the dark current (bias

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