Concept
Version 10
Created by Boundless
Doping: Connectivity of Semiconductors

Reverse Biased p-n Junction
If the battery anode is connected to the p-type semiconductor and the cathode connected to the n-type semiconductor, the system is said to be reverse biased and negligible current passes.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Reverse-Biased_pn_Junction.svg."
https://commons.wikimedia.org/wiki/File:Reverse-Biased_pn_Junction.svg
Wikimedia
Public domain.