Abstract
Langmuir monolayers of arachidic acid on a subphase of 0.3 mM CuSO 4/17 mM NH 3 were transferred to hydrophobic glass and mica substrates to give Langmuir–Blodgett films of cupric arachidate (CuAr). Transfer ratios of close to 1 were observed and regular “Y”-type deposition was demonstrated with hydrophobic glass. With mica as the substrate, “Z”-type deposition occurred. The films were exposed to H 2S and hydrazine, and evidence for the formation of copper sulfide and metallic copper particles, respectively, was obtained by ultraviolet/visible spectrophotometry, X-ray photoelectron spectroscopy and atomic force microscopy.
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