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  Gamma-radiation induced synthesis of freestanding nickel nanoparticles

Yang, Y., Johansson, M., Wiorek, A., Tarakina, N. V., Sayed, F., Mathieu, R., et al. (2021). Gamma-radiation induced synthesis of freestanding nickel nanoparticles. Dalton Transactions, 50(1), 376-383. doi:10.1039/D0DT03223A.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-9E39-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-A359-D
Genre: Journal Article

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 Creators:
Yang, Yi, Author
Johansson, M., Author
Wiorek, A., Author
Tarakina, Nadezda V.1, Author              
Sayed, F., Author
Mathieu, R., Author
Jonsson, M., Author
Soroka, I. L., Author
Affiliations:
1Nadezda V. Tarakina, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2522693              

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 Abstract: A versatile method to produce metallic nickel nanoparticles is demonstrated. Metallic Ni nanoparticles have been synthesized from aqueous solution of NiCl2 using γ-radiation induced reduction. To prevent Ni re-oxidation, post-irradiation treatment was elaborated. Structural and compositional analyses were executed using X-ray diffraction, transmission electron microscopy and X-ray photoelectron spectroscopy. These studies reveal that the synthesized material consists of fcc Ni particles having size of 3.47 ± 0.71 nm. The nanoparticles have a tendency to agglomerate to the larger clusters. The latter are partially oxidized to form thin amorphous/poor-crystalline Ni(OH)2/NiO layers at the surface. Magnetization measurements demonstrate that the nanomaterial exhibit ferromagnetic-like behaviour with magnetization 30% lower than that in bulk Ni. The large active surface area (ECSA, 39.2 m2 g−1) and good electrochemical reversibility, confirmed by the electrochemical studies, make the synthesized material a potential candidate as an active component for energy storage devices.

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Language(s): eng - English
 Dates: 2020-12-152021
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1039/D0DT03223A
BibTex Citekey: D0DT03223A
Other: OA-Liste?
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Title: Dalton Transactions
  Abbreviation : Dalton Trans.
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: - Volume / Issue: 50 (1) Sequence Number: - Start / End Page: 376 - 383 Identifier: ISSN: 1477-9226