Formation of ultrafine metal particles and metal oxide precursor on anodized Al by electrolysis deposition

Abstract

Abstract: Nickel was deposited by ac electrolysis deposition in the pores of the porous oxide film of Al produced by anodizing in phosphoric acid. Ultrafine rod-shaped Ni particles were formed in the pores. At the same time a film of Ni oxide precursor was developed on the surface of the porous oxide film. The Ni particles and the Ni oxide precursor were examined by SEM, TEM and X-ray diffraction. The thickness of the barrier layer of the porous oxide film was thin and it attributed to the formation of the metal particles, while the formation of the oxide precursor was associated with the surface pits which were developed in the pretreatment of Al.

Key words:

Lingchuan LI. Formation of ultrafine metal particles and metal oxide precursor on anodized Al by electrolysis deposition[J]. J Mater Sci Technol, 2000, 16(01): 50-54.

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Formation of ultrafine metal particles and metal oxide precursor on anodized Al by electrolysis deposition

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