Well-defined mono(η(3)-allyl)nickel complex ≡MONi(η(3)-C3H5) (M = Si or Al) grafted onto silica or alumina: a molecularly dispersed nickel precursor for syntheses of supported small size nickel nanoparticles.

Lidong Li (1) , Edy Abou-Hamad (1) , Dalaver H Anjum (2) , Lu Zhou (1) , Paco V Laveille (1) , Lyndon Emsley (3) , Jean-Marie Basset (1)

1 KCC - KAUST Catalysis Center
2 Core Lab
3 Solid-State NMR Methods for Materials - Méthodes de RMN à l'état solide pour les matériaux

Preparing evenly-dispersed small size nickel nanoparticles over inert oxides remains a challenge today. In this context, a versatile method to prepare supported small size nickel nanoparticles (ca. 1-3 nm) with narrow size distribution via a surface organometallic chemistry (SOMC) route is described. The grafted mono(η(3)-allyl)nickel complexes ≡MONi(η(3)-C3H5) (M = Si or Al) as precursors are synthesized and fully characterized by elemental analysis, FTIR spectroscopy and paramagnetic solid-state NMR.

Mots clés: SURFACE ORGANOMETALLIC CHEMISTRY; SOLID-STATE NMR; CATALYSTS; POLYMERIZATION; METHANE; METALS; ACTIVATION; MECHANISM; LIGANDS; CH4

Domaines: Chimie analytique

Lidong Li, Edy Abou-Hamad, Dalaver H Anjum, Lu Zhou, Paco V Laveille, et al.. Well-defined mono(η(3)-allyl)nickel complex ≡MONi(η(3)-C3H5) (M = Si or Al) grafted onto silica or alumina: a molecularly dispersed nickel precursor for syntheses of supported small size nickel nanoparticles.. Chemical Communications, 2014, 50 (57), pp.7716-7719. ⟨10.1039/c4cc02962c⟩. ⟨hal-01071783⟩