Crystal Research and Technology
Cryst. Res. Technol. 42, 1002 (2007) - Abstract -

Controlled synthesis of various morphologies of nanostructured zinc oxide: flower, nanoplate, and urchin

Tong-Ming Shang, Jian-Hua Sun, Quan-Fa Zhou, and Ming-Yun Guan

Jiangsu Key Laboratory of Precious Metals Chemistry, Jiangsu Teachers University of Technology, Changzhou, 213001, P. R. China

Keywords zinc oxide, morphology, controlled synthesis, flower and urchin
PACS 79.60.Jv
DOI 10.1002/crat.200710959

Nanoplates, flower-like nanostructure of ZnO were successfully synthesized by employing ZnSO4.7H2O, NaOH as the starting materials at 120°C under hydrothermal condition. Keeping the same parameters, ZnO urchin shape was obtained by addition of vitamin C at 190°C. Characterizations were carried out by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) at room temperature. Selected area electron diffraction (SAED) pattern confirms that the product is single crystalline nature. The possible formation mechanisms for synthesized ZnO nanosturcture with various morphologies have also been proposed. PL spectrum from the ZnO flower-like structures reveals weak UV emission and strong green emission.




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