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CuO x –CeO 2−δ /Si thin films were elaborated by pulsed laser deposition. At the surface of all CuO x –CeO 2−δ thin films, Ce 4+ and Cu +1 ions were present. Depth profiles indicated that a Cu 2 O rich layer, roughly 40nm thick, covered the CuO x –CeO 2−δ thin films. Apart from the copper enriched surface, the copper...
Polyaniline (PANI) and polypyrrole doped with chloride ions (PPyCl) have been treated with PdCl 2 solutions in HCl of various concentrations. Basing on the results of XPS studies it is shown that the differences in the redox and basic properties of both polymers lead to different mechanisms of their interactions with palladium ions present in the PdCl 2 solutions studied. Thus, in...
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