Research Article

Investigating the Effect of Piezoelectric Polarization on GaN-Based LEDs with Different Prestrain Layer by Temperature-Dependent Electroluminescence

Figure 4

The emission wavelengths as functions of injection currents under different ambient temperatures measured from 300 to 350 K for (a) LED I, (b) LED II, and (c) LED III.
(a) LED I
(b) LED II
(c) LED III