31.8 The pn junction
pn-Junction Simulation

 

start.gif (693 bytes)

Explanation:
The applet simulates the formation of a pn junction.  As discussed in Section 31.8, electrons and holes diffuse and recombine to form a depletion region. The equilibrium band diagram shown is similar to the one shown in Figure 31.24e.  
 
Source:
Chu Ryang Wie, State University of New York at Buffalo