One-step microwave synthesis of palladium–carbon nanotube hybrids with improved catalytic performance |
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Authors: | Manuela Cano Ana Benito Wolfgang K. Maser Esteban P. Urriolabeitia |
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Affiliation: | aInstituto de Carboquimica, CSIC, Miguel Luesa Castán 4, E-50018 Zaragoza, Spain;bDepartmento de Compuestos Organometálicos, ICMA (CSIC-UZ), Facultad de Ciencias, Pedro Cerbuna 12, E-50009 Zaragoza, Spain |
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Abstract: | A fast and easy one-step linker-free approach for the synthesis of palladium nanoparticle/multiwall carbon nanotube (Pd-NP/MWCNT) hybrid materials is described using microwave irradiation for the effective decomposition of Pd2dba3 complex in the presence of MWCNTs. High loadings of Pd nanoparticles (up to 40 wt.%) having sizes between 3 and 5 nm are deposited on the surface of MWCNTs within a time of only 2 min. The Pd-NP/MWCNT materials serve as efficient catalysts in C–C coupling as well as in hydrogenation reactions, all characterized by high conversion rates using a small amount of catalysts, high turnover frequency values and good recyclability. |
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