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  Synthesis of rare-earth metal and rare-earth metal-fluoride nanoparticles in ionic liquids and propylene carbonate

Siebels, M., Mai, L., Schmolke, L., Schütte, K., Barthel, J., Yue, J., et al. (2018). Synthesis of rare-earth metal and rare-earth metal-fluoride nanoparticles in ionic liquids and propylene carbonate. Beilstein Journal of Nanotechnology, 9(1), 1881-1894. doi:10.3762/bjnano.9.180.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-E84C-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-E84D-4
Genre: Journal Article

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 Creators:
Siebels, Marvin1, Author              
Mai, Lukas2, Author              
Schmolke, Laura1, Author              
Schütte, Kai1, Author              
Barthel, Juri3, Author              
Yue, Junpei4, Author              
Thomas, Jörg5, Author              
Smarsly, Bernd M.4, Author              
Devi, Anjana6, Author              
Fischer, Roland A.7, Author              
Janiak, Christoph1, Author              
Affiliations:
1Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany, persistent22              
2Inorganic Materials Chemistry, Ruhr-Universität Bochum, Bochum, Germany, persistent22              
3Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany, persistent22              
4Physikalisch-Chemisches Institut, Justus-Liebig-Universität Gießen, Gießen, Germany, persistent22              
5Structure and Nano-/ Micromechanics of Materials, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863398              
6Inorganic Materials Chemistry, Ruhr-University Bochum, Universitätsstr. 150, Germany, ou_persistent22              
7Department of Chemistry, Technische Universität München, Garching, Germany, persistent22              

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Free keywords: Electron diffraction; Energy dispersive spectroscopy; Erbium compounds; Europium compounds; Fluorine compounds; Gadolinium compounds; High resolution transmission electron microscopy; Ionic liquids; Metal nanoparticles; Microwave heating; Propylene; Rare earth elements; Rare earths; Scanning electron microscopy; Synthesis (chemical); Transmission electron microscopy; X ray photoelectron spectroscopy, 1-Butyl-3-methylimidazolium tetrafluoroborate; Amidinates; Energy dispersive X ray spectroscopy; High-angle annular dark fields; Powder X-ray diffraction (pXRD); Rare earth metals; Selected area electron diffraction; Wet chemical synthesis, Praseodymium compounds
 Abstract: Decomposition of rare-earth tris(N, N'-diisopropyl-2-methylamidinato)metal(III) complexes [RE(MeC(N(iPr)2))3] (RE(amd)3; RE = Pr(III), Gd(III), Er(III)) and tris(2,2,6,6-tetramethyl-3,5-heptanedionato)europium(III) (Eu(dpm)3) induced by microwave heating in the ionic liquids (ILs) 1-butyl-3-methylimidazolium tetrafluoroborate ([BMIm][BF4]), 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([BMIm][NTf2]) and in propylene carbonate (PC) yield oxide-free rare-earth metal nanoparticles (RE-NPs) in [BMIm][NTf2] and PC for RE = Pr, Gd and Er or rare-earth metal-fluoride nanoparticles (REF3-NPs) in the fluoridedonating IL [BMIm][BF4] for RE = Pr, Eu, Gd and Er. The crystalline phases and the absence of significant oxide impurities in RE-NPs and REF3-NPs were verified by powder X-ray diffraction (PXRD), selected area electron diffraction (SAED) and highresolution X-ray photoelectron spectroscopy (XPS). The size distributions of the nanoparticles were determined by transmission electron microscopy (TEM) and high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) to an average diameter of (11 ± 6) to (38 ± 17) nm for the REF3-NPs from [BMIm][BF4]. The RE-NPs from [BMIm][NTf2] or PC showed diameters of (1.5 ± 0.5) to (5 ± 1) nm. The characterization was completed by energy-dispersive X-ray spectroscopy (EDX). © 2018 Siebels et al.

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Language(s): eng - English
 Dates: 2018
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.3762/bjnano.9.180
BibTex Citekey: Siebels20181881
 Degree: -

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Title: Beilstein Journal of Nanotechnology
Source Genre: Journal
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Publ. Info: Frankfurt am Main : Beilstein-Institut
Pages: - Volume / Issue: 9 (1) Sequence Number: - Start / End Page: 1881 - 1894 Identifier: ISSN: 2190-4286
CoNE: /journals/resource/2190-4286