Bimetallic Pd/Sn-based nanoparticles and their catalytic properties in the semihydrogenation of diphenylacetylene
Multimetallic nanoparticles often enhance the catalytic performance of their monometallic counterparts by increasing reaction rates, catalyst selectivity, and/or stability. A prerequisite for understanding structure- and composition-associated properties, however, is the careful design of multimetal...
Gespeichert in:
| Hauptverfasser: | , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
10 March 2021
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| In: |
ChemistryOpen
Year: 2021, Jahrgang: 10, Heft: 2, Pages: 296-304 |
| ISSN: | 2191-1363 |
| DOI: | 10.1002/open.202000298 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1002/open.202000298 Verlag, lizenzpflichtig, Volltext: https://chemistry-europe.onlinelibrary.wiley.com/doi/abs/10.1002/open.202000298 
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| Verfasserangaben: | Christine Dietrich, Si Chen, Georgios Uzunidis, Martin Hähsler, Yannick Träutlein, and Silke Behrens |
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| 245 | 1 | 0 | |a Bimetallic Pd/Sn-based nanoparticles and their catalytic properties in the semihydrogenation of diphenylacetylene |c Christine Dietrich, Si Chen, Georgios Uzunidis, Martin Hähsler, Yannick Träutlein, and Silke Behrens |
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| 520 | |a Multimetallic nanoparticles often enhance the catalytic performance of their monometallic counterparts by increasing reaction rates, catalyst selectivity, and/or stability. A prerequisite for understanding structure- and composition-associated properties, however, is the careful design of multimetallic nanoparticles with various structures and compositions. Here, bimetallic Pd/Sn-based nanoparticles are prepared with a tunable composition and structure exploiting ionic liquids (ILs) as reaction medium (i. e., methyltrioctylammonium bis(trifluoromethylsulfonyl)imide). The nanoparticles are obtained in a one-pot synthetic procedure by reducing the metal salt precursors with triethylborohydride in the IL. The results show that the reaction parameters, in particular the nature and ratio of the Pd2+/Sn2+ precursors as well as the reaction temperature, influence NP formation and composition. X-ray diffraction with Rietveld analysis and transmission electron microscopy are employed to determine NP size and phase composition. Under optimized reaction conditions Pd2Sn or PdSn nanocrystals are formed as single-phase products after introducing an additional annealing step at 200 °C. Nanocrystals with intermetallic composition reveal enhanced catalytic properties in the semihydrogenation of diphenylacetylene which was used as a model reaction. | ||
| 650 | 4 | |a bimetallic nanoparticles | |
| 650 | 4 | |a intermetallic compounds | |
| 650 | 4 | |a ionic liquids | |
| 650 | 4 | |a Pd/Sn | |
| 650 | 4 | |a selective hydrogenation | |
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