Single-Step Production of Nanostructured Copper-Nickel (CuNi) and Copper-Nickel-Indium (CuNiIn) Alloy Particles
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NANOSCALE metallic and alloy particle researches have been drawing utmost attention from both academia and industry because of their functional properties and potential applications. These materials can have exceptional mechanical, optical, electronic, and magnetic properties, as well as their high corrosive and catalytic features. The properties depend on the particular specifications, such as particle size and size distribution, chemical and phase composition, atomic arrangement, and surface/volume ratio.[1–4] Among various nanoalloys, CuNi and CuNiIn alloy particles received particular interest in the recent years RAMAZAN OGU˘ZHAN APAYDIN, PhD Researcher, formerly with Department of Metallurgical and Materials Engineering (Master of Science Student), Istanbul Technical University, Ayazaga Campus, 34469, Istanbul, Turkey, is now with Department of Electrical Engineering, Semiconductor Components Group, Faculty of EEMCS, University of Twente, Enschede, The Netherlands. BURC¸AK EBIN, Postdoctoral Researcher, formerly with Department of Metallurgical and Materials Engineering (PhD), Istanbul Technical University, is now with Nuclear Chemistry and Industrial Material Recycling, Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 41296, Gothenburg, Sweden, and also with Nanokomp Advanced Materials Ltd. Co., ITU Automation Building, Maslak, 34469, Istanbul, Turkey. SEBAHATTIN GU¨RMEN, Professor, is with the Department of Metallurgical and Materials Engineering, Istanbul Technical University. Contact e-mail: [email protected] Published with permission of the Crown in Right of Canada pertains to F. Mirakhorli, X. Cao, and P. Wanjara. Manuscript submitted October 21, 2015. Article published online April 26, 2016 3744—VOLUME 47A, JULY 2016
due to their unique properties.[4–22] In the case of CuNi alloys, a high corrosion and wear resistant can be seen, as well as excellent electrical and thermal conductivity. The outstanding characteristics make these alloy particles a significant raw material for various industries from powder metallurgy to marine and aviation sectors.[4,14–20] Recently, CuNi alloy particles were found to be a promising catalyzer in chemical reactions, such as ethanol hydrogenation/dehydrogenation and hydrogenolysis of C-C bond,[5] hydrogen production from methane[6] and ethanol,[7] higher alcohol synthesis and water–gas shift,[8] steam reforming, methane reforming, methane and methanol partial oxidation, CO and CO2 hydrogenations, and NOx reduction due to their improved activity, selectivity and stability.[14] Additionally, CuNi alloy particles appear in energy applications as a catalyzer for direct oxidation of methane in solid oxide fuel cells due to their good catalytic activities,[4,15] front electrode onto a crystalline solar cell due to the low resistance and high performance.[12] Nanosize CuNi particles are also extensively studied for use in medical applications to such as localized, self-controlled, hyperthermia treatment of cancer,[9,10,17,18] dental application
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