Journal
MATERIALS CHARACTERIZATION
Volume 62, Issue 5, Pages 509-516Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.matchar.2011.03.010
Keywords
ZnO; Mechanism; Hydrothermal microemulsion method; Cationic surfactant
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Funding
- Natural Science Research Project of Henan Province Office of Education [2011B150016]
- National Natural Science Foundation of China [21003038]
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Hexagonal cylinder-like ZnO with a regular twinning microstructure was successfully synthesized via a cationic surfactant-assisted hydrothermal microemulsion route. X-ray diffraction, scanning electron microscopy and Ultraviolet and Visible absorption spectroscopy were employed to characterize the structure, morphologies and properties of the as-prepared samples. The results showed that the reaction temperature, reaction time and molar ratio (w) between water and CTAB exhibited obvious influences on the morphologies and sizes of the products. The Ultraviolet and Visible absorption spectra revealed a strong and broad absorption band from ultraviolet to visible region and the maximum absorption peak appeared at 376 nm. Moreover, the possible growth mechanism for the ZnO microstructures was also discussed in this study. (C) 2011 Elsevier Inc. All rights reserved.
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