Issue 10, 2014

Metal−organic framework encapsulated Pd nanoparticles: towards advanced heterogeneous catalysts

Abstract

A novel synthesis strategy is developed to encapsulate palladium precursors through ligand design prior to MOF assembly, achieving uniformly distributed palladium NPs inside the cavities of MOFs. This strategy can avoid the different diffusion resistance between external and internal surfaces, and thus allow metal precursors to be easily deposited into the pores and evenly distributed within MOF networks. The embedded Pd NPs exhibited excellent shape-selectivity in olefin hydrogenation, as well as high catalytic efficiencies in aerobic oxidation of alcohols and reduction of nitrobenzene, showing significantly enhanced catalytic activity and stability as compared to those synthesized using a traditional impregnation method. The superior catalytic activity and stability came from the synergetic effects of nano-confinement and electron-donation offered by the MOF framework.

Graphical abstract: Metal−organic framework encapsulated Pd nanoparticles: towards advanced heterogeneous catalysts

Supplementary files

Article information

Article type
Edge Article
Submitted
22 Jun 2014
Accepted
15 Jul 2014
First published
15 Jul 2014

Chem. Sci., 2014,5, 3708-3714

Author version available

Metal−organic framework encapsulated Pd nanoparticles: towards advanced heterogeneous catalysts

L. Chen, H. Chen, R. Luque and Y. Li, Chem. Sci., 2014, 5, 3708 DOI: 10.1039/C4SC01847H

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