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Article Abstract
Pd-Ru, Pd-Rh, Pd-Pt-Ru, and Pd-Rh-Ru electrodes were prepared as thin layers by potentiostatic codeposition or chemical co-precipitation of metals from baths containing mixtures of chloride salts. The formation of substitutional solid solutions, with lattice parameters smaller than that of pure Pd, was confirmed by X-ray diffraction (XRD). The compositions at various levels of sample volume and thickness were analyzed by inductively coupled plasma atomic emission spectroscopy (ICP-AES), energy-dispersive X-ray spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS), Auger electron spectroscopy (AES), and also electrochemically by cyclic voltammetry (CV) in 0.5 M H₂SO₄. The differences between surface, subsurface, and bulk compositions were compared for various systems in a wide composition spectrum.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5978175 | PMC |
| http://dx.doi.org/10.3390/ma11050798 | DOI Listing |
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