Abstract
The organometallic approach was successfully applied to synthesize water-soluble ruthenium nanoparticles displaying interesting catalytic properties in hydrogenation of unsaturated model-substrates. Nanocatalyst synthesis was performed by hydrogenation of the complex [Ru(COD)(COT)] in the presence of sulfonated diphosphines and cyclodextrins as protective agents providing very small ruthenium nanoparticles (ca. 1.2-1.5 nm) with narrow size distribution and high stability. Catalysis results in water evidenced a control of the surface properties of these novel ruthenium nanocatalysts at a supramolecular level.
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Acknowledgments
The authors thank V. Collière and L. Datas (LCC-CNRS and UPS-TEMSCAN) for TEM/HRTEM facilities, P. Lecante (CEMES-CNRS) for WAXS measurements and Y. Coppel and C. Bijani (LCC-CNRS) for NMR studies. This work was supported by CNRS and the Agence Nationale de la Recherche (ANR-09-BLAN-0194) for the financial support of the SUPRANANO program.
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Guerrero, M., Chau, N.T.T., Roucoux, A. et al. Organometallic synthesis of water-soluble ruthenium nanoparticles in the presence of sulfonated diphosphines and cyclodextrins. MRS Online Proceedings Library 1675, 219–225 (2014). https://doi.org/10.1557/opl.2014.888
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DOI: https://doi.org/10.1557/opl.2014.888