For a p-i-n diode with doping profile shown in the figure:
No-NA(cm-3)
a) Sketch the charge distribution of the system at thermal equilibrium.
4.0 x 10^17
2.0 x 10^17
0.5
Q
x (um)
-2.0
-1.0
2.0 x 10^16
> x (um)
-2.0
-1.0
1.0
b) Sketch the corresponding E-field of the system.
c) Sketch the potential distribution of the system.
E
>x (um)
>x (um)
-2.0
-1.0
1.0
-2.0
-1.0
1.0
d) Sketch the band diagram at thermal equilibrium.
e) If the reverse leakage current Io of the diode is 2 pA and the short circuit current is 300 mA under a given illumination, what is the open circuit voltage?