Results 211 to 220 of about 11,069 (260)
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A consideration of the electrodeposition of metals
Surface Technology, 1979Abstract The chemical factors affecting the electrodeposition of metals are surveyed briefly. Molten salts are not considered, but depositions from aqueous and non-aqueous systems are compared. As examples, the depositions of aluminium, copper and nickel from trifluoroacetates in various organic solvents (aliphatic alcohols, formamide, N,N ...
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Fabrication of Nanoelectrodes and Metal Clusters by Electrodeposition
ChemPhysChem, 2010AbstractMost nanometer‐sized electrodes reported to date are made from either Pt or Au. For technical reasons, it is difficult to make nanoelectrodes from many other metals (e.g. Hg) by heat‐sealing microwires into glass capillaries or by other established techniques.
Jeyavel, Velmurugan, Michael V, Mirkin
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Electrorefining and Electrodeposition of Metals
1985Copper is found in nature as the metal and in various types of ore such as oxide, hydroxide, carbonate, sulfide, and in mixtures and double salts of these compounds. Of these, the sulfide ore, chalcopyrite Cu2S • FeS • FeS2, is commonly used in Japan. Figure 10.1 illustrates an example of the flowsheet for copper concentrate processing.
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Controlling the electrodeposition of mesoporous metals for nanoplasmonics
Nanoscale, 2009We have investigated the mechanism for formation of large-scale ordered structures of copper and silver by direct electrodeposition through colloidal crystal templates. It is demonstrated that the morphology is controlled by the diffusion of reactant species (metal cations and oxygen molecules) from the bulk solution to the electrode surface.
Rong, Zhu +5 more
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Fundamentals of Electrodeposition of Metals
1995The atomistic aspects of electrochemical metal deposition on foreign substrates are discussed considering the transition from single adatoms via two-dimensional (2-D) adlayers to nucleation and crystal growth of the three-dimensional (3-D) metal bulk phase.
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Studies in the Discontinuities in Electrodeposited Metallic Coatings
Transactions of the IMF, 1950SummarySome possible causes of discontinuities in nickel and cobalt deposits have been investigated. The results suggest that neither hydrogen bubbles clinging to the surface of the cathode, nor impurities present on the surface of the basis metal (including those deposited from the electrolyte during electrolysis) can be main causes of pores.
S. C. Shome, U. R. Evans
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Electrodeposition of Metals and Metal Oxides into Nanoporous Gold
ECS Meeting Abstracts, 2017Nanoporous gold (NPG) is usually fabricated by the selective electrolytic dissolution (dealloying) of Ag from a binary Ag-Au alloy, or sometimes from a ternary alloy such as Ag-Au-Pt. The resulting ligament-pore structure is bicontinuous and has an extraordinarily high surface area-to-volume ratio, posing it as a promising candidate for catalyst ...
Ayman A. El-Zoka +3 more
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Electrodeposition of metal powders
Surface Technology, 1981Aurelian Calusaru, Allan H. Reed
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Electrodeposition of Metallic Precursors
2011Electrochemistry is an extremely broad subject area, so the following introduction will focus primarily on the concepts required for electrochemical deposition (electrodeposition). Only a brief overview will be given, and the reader is referred to Bard and Faulkner (Electrochemical methods, fundamentals and applications, 2nd edn. Wiley, New York, 2001)
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Electrodeposition of metals by sebald
2012Oxygen reduction reaction (ORR) and Oxygen Evolution Reaction (OER) play an important role in electrochemical energy conversion systems and in several industrial processes. Bifunctional oxygen/air electrodes are a prerequisite for the development of rechargeable metal/air batteries and/or so called regenerative fuel cells.
ZAFFERONI, CLAUDIO +7 more
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