Synthesis and Study of Bismuth Nanoparticles on Graphene
| Autor: | E. Yu. Buslaeva, S. V. Kraevskii, Sergey V. Tkachev, S. P. Gubin, Yu. A. Groshkova |
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| Rok vydání: | 2020 |
| Předmět: |
Materials science
Nanocomposite Graphene Materials Science (miscellaneous) Oxide Nanoparticle chemistry.chemical_element 010402 general chemistry 010403 inorganic & nuclear chemistry 01 natural sciences 0104 chemical sciences law.invention Bismuth Inorganic Chemistry symbols.namesake chemistry.chemical_compound Chemical engineering chemistry law Transmission electron microscopy symbols Physical and Theoretical Chemistry Raman spectroscopy Powder diffraction |
| Zdroj: | Russian Journal of Inorganic Chemistry. 65:5-12 |
| ISSN: | 1531-8613 0036-0236 |
| Popis: | Two methods to synthesize Bi/Gr composites of Bi nanoparticles on graphene were developed: a three-step one (method I) and a two-step one (method II). By these methods, the composites are synthesized in supercritical isopropanol (SCI) through bismuth oxide on graphene oxide (GO): Bi2O3/GO. A distinguishing feature of this work is the fact that SCI is both a reducer, and a reaction medium, and it reduces both GO, and Bi2O3 nanoparticles. The obtained nanocomposites were studied by X-ray powder diffraction analysis, transmission electron microscopy, atomic force microscopy, and Raman spectroscopy. Methods I and II produced Bi/Gr nanocomposites with average bismuth nanoparticle sizes of ∼4 and 40–80 nm, respectively. |
| Databáze: | OpenAIRE |
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