Mourdikoudis, S;
Montes-García, V;
Rodal-Cedeira, S;
Winckelmans, N;
Pérez-Juste, I;
Wu, H;
Bals, S;
... Pastoriza-Santos, I; + view all
(2019)
Highly porous palladium nanodendrites: wet-chemical synthesis, electron tomography and catalytic activity.
Dalton Transactions
, 48
(11)
pp. 3758-3767.
10.1039/c9dt00107g.
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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.
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