Enhanced Optical Output of Near-Ultraviolet Light-Emitting Diodes by a Monolayer of Nanospheres

Figure 2

SEM images of monolayers of PS nanospheres with sizes of (a) 250 nm, (b) 300 nm, (c) 400 nm, (d) 600 nm, (e) 800 nm, (f) 1000 nm, (g) 1200 nm, and (h) 1500 nm.

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