Preferential Reduction of 2-Phenylpyridine under D <sub>2</sub> : Palladium Nanoparticles Stabilized by <i>N</i> -Heterocyclic Carbenes Prefer D <sub>2</sub> to H <sub>2</sub>
. This effect is observed using NPs stabilized by polyvinylpyrrolidone (Pd@PVP) but is more pronounced in the presence of NHC ligands (Pd@NHC). DFT calculations reveal that the phenomenon arises from a higher surface concentration of deuterides relative to hydrides in both systems, which is enhanced by the electronic influence of NHC ligands. This study provides the first report and mechanistic insight into an unusual isotopic effect in NP-catalyzed deuteration, highlighting the pivotal role of ligand-NP interactions.
Authors
- Simon Tricard
- Gabriel Mencia (ORCID: https://orcid.org/0000-0001-9555-7503)
- Iker Del Rosal (ORCID: https://orcid.org/0000-0001-6898-4550)
- Edwin A. Baquero (ORCID: https://orcid.org/0000-0002-9621-8914)
- Pier‐Francesco Fazzini (ORCID: https://orcid.org/0000-0002-4307-6481)
- Stella Christodoulou
- Daniel Esteban Galvis-Sandoval (ORCID: https://orcid.org/0009-0003-3858-7820)
- Oscar Suárez-Riaño (ORCID: https://orcid.org/0000-0001-9053-7423)
- B. Chaudret
- Nicolas Ratel-Ramond
- Romuald Poteau
- Javier Navarro-Ruiz
Institutions
- Centre National de la Recherche Scientifique (FR)
- Université Toulouse III - Paul Sabatier (FR)
- Université Fédérale de Toulouse Midi-Pyrénées (FR)
- Universidad Nacional de Colombia (CO)
- Centre d’Élaboration de Matériaux et d’Études Structurales (FR)
- Laboratoire de Physique et Chimie des Nano-Objets (FR)
Publication Details
- Journal
- Nano Letters
- Published
- 2026-04-10
- DOI
- https://doi.org/10.1021/acs.nanolett.5c04736
- Primary Topic
- Catalytic Cross-Coupling Reactions
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Universidad Nacional de Colombia