How to Modulate Catalytic Properties in Nanosystems: The Case of Iron-Ruthenium Nanoparticles
Kelsen, V; Meffre, A; Fazzini, PF; Lecante, P; Chaudret, B
| HERO ID | 2898370 |
|---|---|
| In Press | No |
| Year | 2014 |
| Title | How to Modulate Catalytic Properties in Nanosystems: The Case of Iron-Ruthenium Nanoparticles |
| Authors | Kelsen, V; Meffre, A; Fazzini, PF; Lecante, P; Chaudret, B |
| Journal | ChemCatChem |
| Volume | 6 |
| Issue | 6 |
| Page Numbers | 1714-1720 |
| Abstract | Ultrasmall FeRu bimetallic nanoparticles were prepared by co-decomposition of two organometallic precursors, {Fe[N(Si(CH3)(3))(2)](2)}(2) and (eta(4)-1,5-cyclooctadiene)(eta(6)-1,3,5-cyclooctatriene)ruthenium(0) (Ru(COD)(COT)), under dihydrogen at 150 degrees C in mesitylene. A series of FeRu nanoparticles of sizes of approximately 1.8 nm and incorporating different ratios of iron to ruthenium were synthesized by varying the quantity of the ruthenium complex introduced (Fe/Ru = 1:1, 1:0.5, 1:0.2, and 1:0.1). FeRu nanoparticles were characterized by TEM, high-resolution TEM, and wide-angle X-ray scattering analyses. Their surface was studied by hydride titration and IR spectroscopy after CO adsorption and their magnetic properties were analyzed by using a superconducting quantum interference device (SQUID). The FeRu nanoparticles were used as catalysts in the hydrogenation of styrene and 2-butanone. The results indicate that the selectivity of the nanoparticle catalysts can be modulated according to their composition and therefore represent a case study on fine-tuning the reactivity of nanocatalysts and adjusting their selectivity in a given reaction. |
| Doi | 10.1002/cctc.201300907 |
| Wosid | WOS:000337689900036 |
| Is Certified Translation | No |
| Dupe Override | No |
| Is Public | Yes |
| Keyword | electron microscopy; iron; hydrogenation; nanoparticles; ruthenium |