Solution-Based High-Density Arrays of Dielectric Microsphere Structures for Improved Crystal Quality of III-Nitride Layers on Si Substrates

Figure 8

SEM images of (a) low density of MS with a diameter of ~300 nm and (b) high density of MS with a diameter of ~800 nm. (c) Optical output power of LEDs and density of MS as a function of the diameter.

(a)

(b)

(c)