2007 NSTI Nanotechnology Conference and Trade Show - Nanotech 2007 - 10th Annual

Fabrication of CuO Nanofilm preparation by Electrophoretic Deposition

H. Chang and C.H. Wei
National Taipei University of Technology, TW

electrophoretic deposition, CuO nanofilm, sintering, absorption

This paper uses electrophoretic deposition for coating a self-fabricated CuO nanofluid on a stainless steel substrate and measures the nature of this nanofilm. The pH value of the fabricated CuO nanofluid is 6.0, with a highly consistent mean particle size of 30nm. This paper investigates the effects of the CuO nanofluid’s concentration, depositing time, voltage and sintering temperature on nanofilm, and also measures the micro-hardness of this CuO nanofilm and its UV-Vis absorption spectrum. The experimental results show that with voltage of 230V, depositing time of 5 minutes and sintering temperature of 200, we can acquire a CuO nanofilm of good compactness with micro-hardness higher then Hv110. Moreover, when the wavelength of illumination light is at the range of 400 nm ~ 700 nm, the CuO nanofilm has greater light absorbance, and the absorbance intensity grows stronger with the increase of depositing time.

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