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A Versatile Approach to the Fabrication of Palladium Hollow Spheres with Aluminiumoxide Nanoparticles as Template

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Abstract:

Palladium hollow nanospheres were prepared by the adsorption of metal nanoparticles onto functionalized -Al2O3 templates. The silanizing agent 3-mercaptopropyl trimethoxysilane was reacted with the surface of the -Al2O3 templates to afford thiol-terminal groups. Metal layers of palladium were coated directly on the -Al2O3 templates by increasing the temperature stepwise. Then, the dissolution of the -Al2O3 template using 40 wt% HF solution enabled the formation of self-organized metallic palladium hollow nanospheres. The palladium hollow nanospheres were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy-dispersive X-ray analysis (EDX), X-ray diffraction (XRD) and fourier-transform infrared spectroscopy (FTIR) techniques.

Keywords: COMPOSITE MATERIALS; GAMMA-AL2O3; HOLLOW NANOSPHERE; NANOPARTICLES; PALLADIUM

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2009.1216

Publication date: October 1, 2009

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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