Issue 11, 2019

Highly porous palladium nanodendrites: wet-chemical synthesis, electron tomography and catalytic activity

Abstract

A simple procedure to obtain highly porous hydrophilic palladium nanodendrites in one-step is described. The synthetic strategy is based on the thermal reduction of a Pd precursor in the presence of a positively charged polyelectrolyte such as polyethylenimine (PEI). Advanced electron microscopy techniques combined with X-ray diffraction (XRD), thermogravimetry and BET analysis demonstrate the polycrystalline nature of the nanodendrites as well as their high porosity and active surface area, facilitating a better understanding of their unique morphology. Besides, catalytic studies performed using Raman scattering and UV-Vis spectroscopies revealed that the nanodendrites exhibit a superior performance as recyclable catalysts towards hydrogenation reaction compared to other noble metal nanoparticles.

Graphical abstract: Highly porous palladium nanodendrites: wet-chemical synthesis, electron tomography and catalytic activity

Supplementary files

Article information

Article type
Paper
Submitted
08 Jan 2019
Accepted
18 Feb 2019
First published
18 Feb 2019

Dalton Trans., 2019,48, 3758-3767

Highly porous palladium nanodendrites: wet-chemical synthesis, electron tomography and catalytic activity

S. Mourdikoudis, V. Montes-García, S. Rodal-Cedeira, N. Winckelmans, I. Pérez-Juste, H. Wu, S. Bals, J. Pérez-Juste and I. Pastoriza-Santos, Dalton Trans., 2019, 48, 3758 DOI: 10.1039/C9DT00107G

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