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Effect of zinc nitrate concentration on the structural and the optical properties of ZnO nanostructures

✍ Scribed by Hee Yeon Yang; Se Han Lee; Tae Whan Kim

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
704 KB
Volume
256
Category
Article
ISSN
0169-4332

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✦ Synopsis

a b s t r a c t ZnO nanorods and nanodisks were formed on indium-tin-oxide-coated glass substrates by using an electrochemical deposition method. Scanning electron microscopy images showed that the ZnO nanorods were transformed into nanodisks with increasing Zn(NO 3 ) 2 concentration. X-ray diffraction patterns showed that the ZnO nanostructures had wurzite structures. The full widths at half maxima of the near band-edge emission peak of photoluminescence spectra at 300 K for ZnO nanorods were small, indicative of the high quality of the nanorods. These results indicate that the structural and the optical properties of ZnO nanostructures vary by changing Zn(NO 3 ) 2 concentration.

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