Figure 5 | Scientific Reports

Figure 5

From: Top- and bottom-emission-enhanced electroluminescence of deep-UV light-emitting diodes induced by localised surface plasmons

Figure 5

Electroluminescence measurements and I-V curves.

(a) EL spectra of deep-UV LED samples without Al NPs (black line) and with Al NPs deposited on the top surface at 75° (red line) as well as the enhancement ratio between them (blue line). The EL measurement was performed from the bottom side of the LEDs. (b) Current versus applied voltage (I-V curves) of samples A (black line) and D (red line).

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