Solvothermal synthesis of hexagonal ZnO nanorods and their photoluminescence properties |
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| Authors: | Wei Dong Zhou Yong Cai Zhang |
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| Affiliation: | a College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou City 225002, China
b Central Lab of Yangzhou University, Yangzhou University, Yangzhou City 225009, China |
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| Abstract: | Pure hexagonal ZnO nanorods were synthesized by low-temperature (90 °C) solvothermal treatment of zinc acetate in 40-80 wt.% hydrazine hydrate aqueous solutions. The products were characterized by means of powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electronic microscopy (TEM), selected area electron diffraction (SAED), and room temperature photoluminescence (RTPL) spectra. They show a strong UV emission at around 380 nm upon excitation at 360 nm using a Xe lamp at room temperature. The influence on the quality of the nanorods was investigated while the content of the solvent changed. The as-synthesized ZnO nanorods are promising materials for nanoscale optoelectronic devices due to their excellent UV emission properties. |
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| Keywords: | Crystal growth Nanomaterials Optical materials and properties Semiconductors X-ray techniques |
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