Paper Title:
Oxygen Plasma Induced ZnO-CuO Nanostructure Growth on a Brass Substrate by Atmospheric-Pressure Plasma Jet
  Abstract

A convenient method for direct and large-area growth of one-dimensional (1-D) CuO and ZnO nanostructures on a conductive brass substrate has been developed. The ZnO and CuO nanostructures have been simultaneously induced and growth on a brass (70Cu-30Zn alloy) substrate by using an atmospheric-pressure plasma jet (APPJ) with pure oxygen as the reaction gas in an ambient environment. Various one-dimensional (1-D) nanostructures such as nano-particles, nanowires, nanobelts, nanocombs, and nanosheets have been in situ grown on the brass substrates under different plasma treatment times. The plasma power of 150W and scanning speed of sample stage 1 mm/sec with different treating times were used in plasma surface treatment processing. The nano-scaled ZnO and CuO formation and its structure were characterized by means of grazing-incidence X-ray diffraction, Scanning Electron Microscopy (SEM) and Energy Dispersive Spectroscopy (EDS). The results showed that the nano-scaled CuO and ZnO growth process was as follows: nano-particles, nano-crystal clusters then nano-crystal columns with increasing plasma treatment times. The growth of nano-scaled oxide formed in sequence that CuO was first grew on the brass substrate then ZnO. The morphologies of nano-scaled ZnO resembled bulbs and long-legged tetrapods. However, the morphologies of nano-scaled CuO were likely bulbs and flake nanostructures. This approach could prepare CuO and ZnO nanostructures on a brass substrate without size limitations. The possible growth mechanisms and structure of nano-scaled CuO and ZnO are discussed in this paper. The simplicity of the preparation procedure and the potential technological of the product were be interested in this study.

  Info
Periodical
Edited by
Rongming Wang, Ying Wu and Xiaofeng Wu
Pages
186-190
DOI
10.4028/www.scientific.net/MSF.688.186
Citation
H. L. Chen, Z. C. Liou, S. J. Lin, "Oxygen Plasma Induced ZnO-CuO Nanostructure Growth on a Brass Substrate by Atmospheric-Pressure Plasma Jet", Materials Science Forum, Vol. 688, pp. 186-190, 2011
Online since
June 2011
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