Synthesis of Sb2Se3 and Bi2Se3 Nanoparticles in Ionic Liquids at Low Temperatures and Solid State Structure of [C4C1Im]3[BiCl6]

Loor, Manuel GND; Bendt, Georg GND; Schaumann, Julian GND; Hagemann, Ulrich GND; Heidelmann, Markus GND; Wölper, Christoph GND; Schulz, Stephan GND

Crystalline Sb2Se3 nanoparticles were prepared by reaction of SbCl3 with (Et3Si)2Se in the presence of oleylamine (OA) in the ionic liquids [C4C1Im]Cl, whereas the reaction of (Et3Si)2Se with [C4C1Im]3[BiCl6] 1, which was obtained from the reaction of BiCl3 with [C4C1Im]Cl and structurally characterized by single crystal X-ray diffraction, yielded Bi-rich Bi2Se3 nanoparticles. In contrast, the
reaction of the reactive IL [C4C1Im]3[Bi3I12] with (Et3Si)2Se in the presence of oleylamine (OA) in [C4C1Im]I gava phase-pure Bi2Se3 nanoparticles. The chemical composition of the nanoparticles was investigated by EDX, while possible surface contaminations were studied by XPS and IR spectroscopy. The morphology of the
nanoparticles was studied by SEM and TEM.

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Loor, M., Bendt, G., Schaumann, J., Hagemann, U., Heidelmann, M., Wölper, C., Schulz, S., 2020. Synthesis of Sb2Se3 and Bi2Se3 Nanoparticles in Ionic Liquids at Low Temperatures and Solid State Structure of [C4C1Im]3[BiCl6]. https://doi.org/10.1002/zaac.201600325
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