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Temperature-Controllable Preparation of ZnS Nanosaws on Si Substrate

Wu Xiang1,2, Sui Jie-He1, Cai Wei1 and Jiang Peng2

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A large number of ZnS nanosaws are synthesized on Si substrates in the presence of Au catalyst by thermally evaporating ZnS powder. Morphologies and structures of thus-grown ZnS nanosaws are characterized by a field emission scanning electron microscopy (FE-SEM) and a transmission electron microscopy (TEM). The results show that temperature of the Si substrates used for collection of the products is a critical experimental parameter for the formation of ZnS nanostructures with different morphologies. The growth mechanism of the ZnS nanosaws is discussed on the basis of the experimental findings.


PACS

81.16.Hc Catalytic methods

68.37.Hk Scanning electron microscopy (SEM) (including EBIC)

81.07.-b Nanoscale materials and structures: fabrication and characterization

68.37.Lp Transmission electron microscopy (TEM)

68.47.Fg Semiconductor surfaces

61.46.-w Structure of nanoscale materials

Subjects

Semiconductors

Surfaces, interfaces and thin films

Nanoscale science and low-D systems

Dates

Issue 2 (February 2008)

Received 16 July 2007



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