Selective ensembles in supported palladium sulfide nanoparticles for alkyne semi-hydrogenation

Davide Albani, Masoud Shahrokhi, Zupeng Chen, Sharon Mitchell, Roland Hauert, Núria López () and Javier Pérez-Ramírez ()
Additional contact information
Davide Albani: ETH Zürich
Masoud Shahrokhi: Institute of Chemical Research of Catalonia (ICIQ), and The Barcelona Institute of Technology Av.
Zupeng Chen: ETH Zürich
Sharon Mitchell: ETH Zürich
Roland Hauert: EMPA, Swiss Federal Laboratories for Materials Science and Technology
Núria López: Institute of Chemical Research of Catalonia (ICIQ), and The Barcelona Institute of Technology Av.
Javier Pérez-Ramírez: ETH Zürich

Nature Communications, 2018, vol. 9, issue 1, 1-11

Abstract: Abstract Ensemble control has been intensively pursued for decades to identify sustainable alternatives to the Lindlar catalyst (PdPb/CaCO3) applied for the partial hydrogenation of alkynes in industrial organic synthesis. Although the geometric and electronic requirements are known, a literature survey illustrates the difficulty of transferring this knowledge into an efficient and robust catalyst. Here, we report a simple treatment of palladium nanoparticles supported on graphitic carbon nitride with aqueous sodium sulfide, which directs the formation of a nanostructured Pd3S phase with controlled crystallographic orientation, exhibiting unparalleled performance in the semi-hydrogenation of alkynes in the liquid phase. The exceptional behavior is linked to the multifunctional role of sulfur. Apart from defining a structure integrating spatially-isolated palladium trimers, the active ensembles, the modifier imparts a bifunctional mechanism and weak binding of the organic intermediates. Similar metal trimers are also identified in Pd4S, evidencing the pervasiveness of these selective ensembles in supported palladium sulfides.

Date: 2018
References: Add references at CitEc
Citations: View citations in EconPapers (3)

Downloads: (external link)
https://www.nature.com/articles/s41467-018-05052-4 Abstract (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05052-4

Ordering information: This journal article can be ordered from
https://www.nature.com/ncomms/

DOI: 10.1038/s41467-018-05052-4

Access Statistics for this article

Nature Communications is currently edited by Nathalie Le Bot, Enda Bergin and Fiona Gillespie

More articles in Nature Communications from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().