Corrosion behavior of aluminum doped diamond-like carbon thin films in NaCl aqueous solution.

نویسندگان

  • N W Khun
  • E Liu
چکیده

Aluminum doped diamond-like carbon (DLC:Al) thin films were deposited on n-Si(100) substrates by co-sputtering a graphite target under a fixed DC power (650 W) and an aluminum target under varying DC power (10-90 W) at room temperature. The structure, adhesion strength and surface morphology of the DLC:Al films were characterized by X-ray photoelectron spectroscopy (XPS), micro-scratch testing and atomic force microscopy (AFM), respectively. The corrosion performance of the DLC:Al films was investigated by means of potentiodynamic polarization testing in a 0.6 M NaCl aqueous solution. The results showed that the polarization resistance of the DLC:Al films increased from about 18 to 30.7 k(omega) though the corrosion potentials of the films shifted to more negative values with increased Al content in the films.

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عنوان ژورنال:
  • Journal of nanoscience and nanotechnology

دوره 10 7  شماره 

صفحات  -

تاریخ انتشار 2010