Table 1 Summary of different PL peak energies and their origins for both unpatterned and patterned samples
Sample | Island type | Diameter (nm) | Height (nm) | Peak energy (meV) | Origin |
---|---|---|---|---|---|
Unpatterned | Smaller | 65 ± 7 | 7 ± 1 | 761 | No phonon |
Larger | 95 ± 8 | 18 ± 2 | 702 | No phonon | |
665 | TO phonon | ||||
Patterned (500 nm pitch) | Smaller | 40-70 | 4-10 | 710-850 | No phonon |
Ordered | 75 ± 5 | 17 ± 1 | 691 | No phonon | |
655 | TO phonon |