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Figure 5 | Nanoscale Research Letters

Figure 5

From: Photoluminescence of spray pyrolysis deposited ZnO nanorods

Figure 5

Excitonic photoluminescence spectra at 10 K of ZnO nanorod layers deposited at different growth temperatures. The growth temperature is kept at 480°C, 530°C, or 550°C, illustrated by spectrum A, B, and C, respectively. The ZnO nanorod layers are deposited onto ITO/SGL substrates from aqueous solution at similar spray rate (2.2 ml/min). Spectrum C is shown with fitting results, Raman spectrum of the corresponding ZnO nanorod sample is presented in Figure 1 and the SEM image is presented in Figure 3a. The SEM image of the sample corresponding to spectrum A is presented in Figure 3b.

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