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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 1
BKCSDE 33(1)
January 20, 2012 

 
Title
ZnO Nanorods Grown on CdxZn1-xO Seed Layers with Various Cd Mole Fractions
Author
Min Su Kim, Do Yeob Kim, Kwang Gug Yim, Soaram Kim, Giwoong Nam, Sung-O Kim, Dong-Yul Lee, Jae-Young Leem,*,
Keywords
Zinc oxide, Cadmium zinc oxide, Nanorod, Hydrothermal, Photoluminescence
Abstract
ZnO nanorods were grown on the CdxZn1-xO seed layers with various Cd mole fractions by hydrothermal method. The effects of the Cd mole fraction for CdxZn1-xO seed layers on the structural and optical properties of the ZnO nanorods were investigated by scanning electron microscopy, X-ray diffraction, and photoluminescence. The narrowest full-width at half-maximum and largest grain size of the CdxZn1-xO seed layers, indicating improvement in crystal quality, were observed at the Cd mole fraction of 0.5. At the Cd mole fraction of 0.5, the largest enhancement in the density, the crystal quality, and the growth rate of the ZnO nanorods was observed while their appearance was not affected significantly by the incorporation of the Cd in the CdxZn1-xO seed layers. Consequently, the luminescent properties of the ZnO nanorods were enhanced. The largest improvement in the structural and optical properties of the ZnO nanorods was observed at the Cd mole fraction of 0.5.
Page
189 - 193
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