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Melting and optical properties of ZnO nanorods
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) Low-magnification SEM image and (b) high-magnification SEM image of ZnO nanorods as-deposited on silicon substrates by thermally decomposing zinc acetate in the air at , of which the inset is HRTEM of the ZnO nanorod; (c) and (d) high-magnification SEM images showing the morphology of the ZnO nanorods after an hour annealing at a temperature of 750 and , respectively.

Image of FIG. 2.
FIG. 2.

(a) PL spectra of the ZnO nanorods after annealing at various temperatures. Inset is an augmented spectrum of the ZnO nanorods after annealing at ; (b) PL spectra of the ZnO after annealing at , excited with various laser powers, of which the full power is the ; (c) the relative intensity of the (line connected by solid circle) and (line connected by solid square) light emission as a function of the excitation laser power.

Image of FIG. 3.
FIG. 3.

The morphology change of the ZnO nanorods after annealing at for (a) and (b) , respectively. (c) The corresponding PL spectra of the two samples. Inset of (c) is an enlarged part of the PL spectra within .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Melting and optical properties of ZnO nanorods