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  Synthesis and Catalytic Properties of Ni©Ag Bimetallic Nanostructures

Kytsya, A., Bazylyak, L., Pobigun-Halaiska, O., Opeida, I., Simon, P., & Zelenina, I. (2018). Synthesis and Catalytic Properties of Ni©Ag Bimetallic Nanostructures. In IEEE 8th International Conference on Nanomaterials: Applications & Properties (NAP – 2018) (pp. 1-4). IEEE. doi:10.1109/NAP.2018.8915129.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-6C48-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-7005-7
Genre: Conference Paper

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 Creators:
Kytsya, A.1, Author
Bazylyak, L.1, Author
Pobigun-Halaiska, O.1, Author
Opeida, I.1, Author
Simon, P.2, Author              
Zelenina, I.3, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Paul Simon, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863418              
3Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              

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Free keywords: Bimetallic nanostructures, Liquid-phase oxidation, Molecular oxygen, Nickel, Silver
 Abstract: Magnetic bimetallic NiAg nanostructures have been synthesized by cementation of silver with nickel nanoparticles at different starting ratios Ni/Ag. It was found that the obtained precipitates are well separated from the reaction mixture by applying an external magnetic field without any losses of the target products. Kinetics of the cementation was monitored by direct potentiometry technique and it was observed that the atomic ratios of Ni/Ag in the obtained products do not depend on the starting concentration of Ag+. Using transmission electron microscopy, it was found that at a low concentration of Ag+in the reaction mixture silver crystallized in the form of nanoplates and at high concentration of Ag+ the formation of silver rods was observed. In addition, the plate-like Ni©Ag nanostructures have been tested as possible catalysts for oxidation of organic substrates with molecular oxygen. It was found that the addition of Ni©Ag to the reaction mixture accelerates the reaction of the initiated liquid-phase solvent free oxidation of cumene by 1.4-2 times. © 2018 IEEE.

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Language(s): eng - English
 Dates: 2018-12-102018-12-10
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1109/NAP.2018.8915129
 Degree: -

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Title: IEEE 8th International Conference on Nanomaterials: Applications & Properties (NAP – 2018)
Source Genre: Proceedings
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Publ. Info: IEEE
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 1 - 4 Identifier: ISBN: 978-153865333-3