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Figure 2 | Nanoscale Research Letters

Figure 2

From: Enhanced UV photosensitivity from rapid thermal annealed vertically aligned ZnO nanowires

Figure 2

UV-Vis absorption and photoluminescence spectra of the as-grown and RTA-treated ZnO NWs. (a) UV-Vis specular reflectance spectra of the as-grown and RTA-treated ZnO NWs grown at 750°C. Inset shows the calculated absorbance spectra of the corresponding NWs from reflectance spectra. (b) Room temperature PL spectra of the as-grown and RTA-treated ZnO NWs. A significant enhancement in UV emission and decrease in green emission are observed after RTA treatment.

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