TY - JOUR
T1 - Phosphine-stabilized ruthenium nanoparticles: The effect of the nature of the ligand in catalysis
AU - González-Gálvez, David
AU - Nolis, Pau
AU - Philippot, Karine
AU - Chaudret, Bruno
AU - Van Leeuwen, Piet W.N.M.
PY - 2012/3/2
Y1 - 2012/3/2
N2 - Various ligands not forming monometallic complexes were used for Ru nanoparticle stabilization, enabling the control of size, shape, and electronic properties. HRMAS NMR spectroscopy allowed us to study surfacebound molecules, evidencing ligand hydrogenation and decomposition of THFduring the RuNP synthesis. Catalysis studies underscore the importance of the nature of the ligands. The RuNPs were tested in the hydrogenation of aromatics, showing very high activities (TOF ≥ 60 000 h -1, 40 bar, 393 K). A pronounced ligand effect was found, and dialkylaryl phosphine ligands gave the fastest catalyst. © 2012 American Chemical Society.
AB - Various ligands not forming monometallic complexes were used for Ru nanoparticle stabilization, enabling the control of size, shape, and electronic properties. HRMAS NMR spectroscopy allowed us to study surfacebound molecules, evidencing ligand hydrogenation and decomposition of THFduring the RuNP synthesis. Catalysis studies underscore the importance of the nature of the ligands. The RuNPs were tested in the hydrogenation of aromatics, showing very high activities (TOF ≥ 60 000 h -1, 40 bar, 393 K). A pronounced ligand effect was found, and dialkylaryl phosphine ligands gave the fastest catalyst. © 2012 American Chemical Society.
KW - HRMAS NMR
KW - hydrogenation of aromatics
KW - ligand effect
KW - ruthenium nanoparticles
KW - surface-bound molecules characterization
U2 - https://doi.org/10.1021/cs200633k
DO - https://doi.org/10.1021/cs200633k
M3 - Article
VL - 2
SP - 317
EP - 321
JO - ACS Catalysis
JF - ACS Catalysis
SN - 2155-5435
ER -