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  Wet-Chemistry Synthesis of Nickel−Bismuth Bimetallic Nanoparticles and Nanowires

Ould-Ely, T., Thurston, J. H., Kumar, A., Respaud, M., Guo, W., Weidenthaler, C., et al. (2005). Wet-Chemistry Synthesis of Nickel−Bismuth Bimetallic Nanoparticles and Nanowires. Chemistry of Materials, 17(18), 4750-4754. doi:10.1021/cm049678u.

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 Creators:
Ould-Ely, Teyeb1, Author              
Thurston, John H.1, Author
Kumar, Arvind1, Author
Respaud, Marc2, Author
Guo, Wenhua1, Author
Weidenthaler, Claudia3, Author              
Whitmire, Kenton H.1, Author
Affiliations:
1Department of Chemistry, MS 60, Rice University, 6100 Main Street, Houston, Texas, 77005, ou_persistent22              
2Laboratoire de Nanophysique de Magnétisme et d'Optoélectronique (LNMO), INSA, 135 avenue de Rangueil, 31077, Toulouse Cedex 04 France, ou_persistent22              
3Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              

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 Abstract: The simultaneous decomposition of bis(cyclooctadiene)nickel (0) [Ni(COD)2] and tetraphenyldibismuthine [Bi2Ph4] in tetrahydrofuran (THF) at reflux temperature leads to nickel−bismuth alloy nanoparticles with an average size of 8−10 nm. Transmission electron microscopy (TEM) diffraction methods show that these nanoparticles adopt the hexagonal structure of β-NiBi. Magnetic characterization shows a superparamagnetic behavior at temperatures above 45 K and the presence of antiferromagnetic dipolar interactions between the particles. XRD confirms the crystallization of the β-NiBi at temperatures above 600 °C. When the decomposition is carried out at a higher temperature (200 °C) in the presence of trioctylamine and oleic acid, NiBi nanowires were observed in addition to the nanoparticles.

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Language(s): eng - English
 Dates: 2004-02-292005-08-132005-09-01
 Publication Status: Published in print
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/cm049678u
 Degree: -

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Title: Chemistry of Materials
  Abbreviation : Chem. Mater.
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Chemical Society
Pages: - Volume / Issue: 17 (18) Sequence Number: - Start / End Page: 4750 - 4754 Identifier: ISSN: 0897-4756
CoNE: https://pure.mpg.de/cone/journals/resource/954925561571