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Issue 45, 2017, Issue in Progress
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NH2- or PPh2-functionalized linkers for the immobilization of palladium on magnetite nanoparticles?

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Abstract

Immobilization of palladium on magnetite nanoparticles has been carried out with the assistance of two differently functionalized linkers containing phosphino- or amino-terminated groups. The linkers have been anchored to the magnetite surface by means of catechol, mercapto or carboxylate groups. The nature of the resulting Pd nanoparticles deposited has been examined by HAADF-STEM images and XPS electron spectroscopy. The efficiency of the two kinds of catalysts has been checked and compared for the Suzuki–Miyaura reaction, 4-nitrophenol reduction and styrene hydrogenation. The results evidence that the nanoparticles equipped with the phosphino fragment are better catalysts than those functionalized with the amino group and, in some processes, they are among the most active catalysts reported in the literature.

Graphical abstract: NH2- or PPh2-functionalized linkers for the immobilization of palladium on magnetite nanoparticles?

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Publication details

The article was received on 29 Mar 2017, accepted on 17 May 2017 and first published on 25 May 2017


Article type: Paper
DOI: 10.1039/C7RA03639F
Citation: RSC Adv., 2017,7, 27872-27880
  • Open access: Creative Commons BY-NC license
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    NH2- or PPh2-functionalized linkers for the immobilization of palladium on magnetite nanoparticles?

    F. J. Caparrós, A. Guarnizo, M. D. Rossell, I. Angurell, M. Seco, G. Muller, J. Llorca and O. Rossell, RSC Adv., 2017, 7, 27872
    DOI: 10.1039/C7RA03639F

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