Preparation of selective surfaces of black cobalt by the sol-gel process

E.C. Barrera, T.G. Viveros and U. Morales

Renewable Energy, 1996, vol. 9, issue 1, 733-736

Abstract: Black cobalt, Co3 O4, thin solid coatings on stainless steel and glass substrates have been prepared by the dip coating technique via the sol-gel route using a CoCl2 precursor. The coatings produced on substrates exhibit a blue to black colours as a function of the film thickness. Sols have been made from a cobalt acetate precursor 0.1 M, and for such conditions, the dip coating process gives 0.08–0.25 μm thick uniform films per dipping, depending on the viscocity of the sol.

Keywords: Selective Surfaces; Black cobalt; Sol-gel process, cobalt oxide (search for similar items in EconPapers)
Date: 1996
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:9:y:1996:i:1:p:733-736

DOI: 10.1016/0960-1481(96)88388-1

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