FIG 3 (IMAGE)

Compuscript Ltd

FIG 3

Caption

(a) Representative PL spectra measured from the top of the nanowire arrays with different pitch sizes. (b) EL spectra measured at a forward bias of 1.5 V from nanowire array LED with different pitch sizes. (c) Peak wavelength of the bias-dependent EL spectra from nanowire array LED with different pitch sizes. (d) TREL signal collected from pitch 0.8 µm nanowire array LED at modulation frequencies of 0.1, 0.6 and 1 GHz. (e) 30° tilted SEM image of the nanowire arrays arranged corresponding to the letters “ANU”. (f) Infrared camera image of the EL emission from nanowire array LEDs in (e) under various current injection levels.

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OES

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