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Asymmetrically substituted triazenes as poor electron donor ligands in the precursor chemistry of iron(II) for iron-based metallic and intermetallic nanocrystals

Abstract

Triazine ligands are introduced, for the first time, in the precursor chemistry for their ability to afford oxygen-free molecular precursors of Fe0 nanoparticles. For this purpose, we synthesized new asymmetric triazine ligands t-BuN=N-NHR (R = Et, i-Pr, n-Bu) featuring different alkyl substituents at 1,3-N centers, as well as a symmetric ligand t-BuN=N-NHt-Bu and used them to develop novel heteroleptic monomeric FeII triazenide derivatives [Fe(t-BuN3R)2(TMEDA)] (where TMEDA = tetramethylethylenediamine). A range of physico-chemical studies such as FT-IR, TG-DTA, 1H & 13C NMR, mass spectrometry, single crystal X-ray structure, cyclic voltammetry and Mössbauer were used to characterize these newly synthesized ligands and FeII-derivatives. One representative derivative [Fe(t-BuN3Et)2(TMEDA)] was evaluated as precursor for the synthesis of the metallic Fe0 and intermetallic Al13Fe4 nanoparticles by chemical solution deposition method.

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Supplementary files

Publication details

The article was received on 28 Jul 2017, accepted on 06 Sep 2017 and first published on 06 Sep 2017


Article type: Paper
DOI: 10.1039/C7DT02755A
Citation: Dalton Trans., 2017, Accepted Manuscript
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    Asymmetrically substituted triazenes as poor electron donor ligands in the precursor chemistry of iron(II) for iron-based metallic and intermetallic nanocrystals

    K. Soussi, S. Mishra, E. Jeanneau, J. M. Millet and S. Daniele, Dalton Trans., 2017, Accepted Manuscript , DOI: 10.1039/C7DT02755A

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