Nano Archive

Effect of buffer layer on solution deposited ZnO films

Liu, Xiaoxin and Jin, Zhengguo and Bu, Shaojing and Zhao, Juan and Liu, Zhifeng (2005) Effect of buffer layer on solution deposited ZnO films. Materials Letters, 59 (29-30). 3994 - 3999.

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ZnO films were prepared by solution deposition method on various substrates: bare glass, TiO2-buffer-coated glass, ITO glass and ZnO-buffer-coated glass. PEG addition was used to further investigate the effect of the patterned ZnO buffer on the morphology of the films. The structural morphology was investigated by using X-ray diffraction, scanning electron microscopy, field emission scanning electron microscopy analysis methods. The nature of the substrate was found to have effect on the morphology and crystal structure of the resultant films. All the films deposited on various substrates were c-oriented and the highest intensity of (002) diffraction peak appeared in the samples deposited on ZnO buffer. Addition of PEG to the buffer precursor affected the size distribution of ZnO grains on buffer layer, resulting in composite films with nano- and microcrystals which dispersed in each other. The homogeneous nucleation and heterogeneous nucleation on the two sides of the substrates were discussed based on the film morphology.

Item Type:Article
Uncontrolled Keywords:ZnO film; Solution deposition; Buffer layer; Morphology; Mechanism
Subjects:Material Science > Nanofabrication processes and tools
Material Science > Nanostructured materials
Material Science > Nanochemistry
ID Code:6837
Deposited By:SPI
Deposited On:01 Oct 2009 17:21
Last Modified:01 Oct 2009 17:21

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