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|Title: ||Growth and physical properties of three-dimensional flower-like zinc oxide microcrystals|
|Authors: ||Yuan-Chang Liang|
|Contributors: ||NTOU:Institute of Materials Engineering|
|Keywords: ||B. Surfaces;C. Optical properties;D. ZnO|
|Issue Date: ||2012-06-15T07:16:38Z
|Publisher: ||Ceramics International|
|Abstract: ||abstract:This study reports the synthesis of ZnO flower-like structures of different sizes on polycrystalline zinc foils by cathodic electrodeposition. X-ray diffraction results indicate that the obtained flower-like ZnO microcrystals had a wurtzite structure. Scanning electron microscopy images reveal that the flower-like ZnO microcrystals consisted of taper petals. The precursor concentration and electrodepositing potential had significant effects on the size of the flower-like ZnO microcrystals. An increase in precursor concentration and electrodepositing potential caused an increase in the size of the ZnO flower-like structures. The flower-like ZnO microcrystals, with an approximate petal length of 0.8–1.6 μm, exhibited a strong UV emission at room temperature, while those with a petal length of 3.0–4.2 μm produced noticeably yellow emissions.|
|Relation: ||38(2), pp.1697–1702|
|Appears in Collections:||[材料工程研究所] 期刊論文|
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