Skip to Main content Skip to Navigation
Journal articles

Organometallic Ruthenium Nanoparticles as Model Catalysts for CO Hydrogenation: A Nuclear Magnetic Resonance and Ambient-Pressure X-ray Photoelectron Spectroscopy Study

Abstract : We present a study of the structure and reactivity of Ru nanoparticles of different sizes (1.3, 1.9, and 3.1 nm) for CO hydrogenation using gas-phase nuclear magnetic resonance and mass spectroscopy. In addition, the nanoparticles were characterized under reaction mixtures in situ by ambient-pressure X-ray photoelectron spectroscopy. We found that during reaction the Ru is in the metallic state and that the diphosphine ligands [bis(diphenylphosphino)butane (dppb)] on the surface of 1.9 and 3.1 nm nanoparticles not only act as capping and protecting agents but also stay on the surface during reaction and improve their activity and selectivity toward C2–C4 hydrocarbons.
Document type :
Journal articles
Complete list of metadatas

https://hal.insa-toulouse.fr/hal-02023339
Contributor : Insa Toulouse Scd <>
Submitted on : Monday, February 18, 2019 - 2:54:18 PM
Last modification on : Tuesday, March 3, 2020 - 11:40:04 AM

Identifiers

  • HAL Id : hal-02023339, version 1

Citation

Luis Martínez-Prieto, Sophie Carenco, Cheng Wu, Eric Bonnefille, Stephanus Axnanda, et al.. Organometallic Ruthenium Nanoparticles as Model Catalysts for CO Hydrogenation: A Nuclear Magnetic Resonance and Ambient-Pressure X-ray Photoelectron Spectroscopy Study. ACS Catalysis, American Chemical Society, 2014, 4 (9), pp.3160-3168. ⟨hal-02023339⟩

Share

Metrics

Record views

54