Publications by authors named "Husn-Ubayda Islam"
Article Synopsis
- * The decomposition of [Zn(SCNBu)] in oleylamine produces wurtzite nanowires, and adding thiuram disulfide increases their length.
- * X-ray absorption spectroscopy reveals the structural changes of [Zn(SCNMe)] under different conditions, showing that temperature influences its stability and leads to ZnS formation through a defined mechanistic process.
Article Synopsis
- * Iron dithiocarbamate complexes are used as single source precursors to produce these nanoparticles, with a novel Fe(II) precursor enabling simpler synthesis by losing carbonyls efficiently.
- * Research findings indicate that careful control of reaction conditions can yield pure greigite nanoparticles, while X-ray absorption spectroscopy helps clarify the decomposition pathway of the precursors in oleylamine, highlighting the role of reducing iron(III) to iron(II).
Article Synopsis
- Square-planar nickel bis(dithiocarbamate) complexes, when heated, serve as precursors for creating pure nanoparticulate nickel sulfides, primarily α-NiS, with specific temperature and concentration settings impacting the phase and size of the nanoparticles produced.
- At lower temperatures (150 °C), pure α-NiS forms, while increasing the temperature leads to the formation of β-NiS, with pure β-NiS achieved at 280 °C; varying precursor concentrations also affect particle size.
- The addition of tetra-iso-butyl thiuram disulfide influences the outcome of reactions, stabilizing the pure α-NiS phase at higher temperatures, and causing
Depletion of crude oil resources and environmental concerns have driven a worldwide research on alternative processes for the production of commodity chemicals. Fischer-Tropsch synthesis is a process for flexible production of key chemicals from synthesis gas originating from non-petroleum-based sources. Although the use of iron-based catalysts would be preferred over the widely used cobalt, manufacturing methods that prevent their fast deactivation because of sintering, carbon deposition and phase changes have proven challenging.
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