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

Dalton Transactions : an International Journal of Inorganic Chemistry
Stefanos MourdikoudisIsabel Pastoriza-Santos

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.

References

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Methods Mentioned

BETA
transmission
X-ray
electron
transmission electron microscopy
electron tomography

Software Mentioned

VEDA
ASTRA
Discrete Algebraic Reconstruction Technique ( DART )
ASTRA toolbox

Related Concepts