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Effects of Thermal Annealing on Pt-Shell/MgO-Core Nanowires

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Abstract:

We have reported the preparation of Pt-coated MgO nanowires and investigated changes in the structural and photoluminescence (PL) characteristics resulting from application of a thermal annealing process. Scanning electron microscopy (SEM), X-ray diffraction (XRD), transmission electron microscopy (TEM), and energy-dispersive X-ray spectroscopy (EDX) have been used to characterize the samples. The shell layer was transformed to Pt nanoparticles by thermal annealing at 800 °C. We have studied the effects of Pt-coating and thermal annealing on the PL emission of the products. This approach will offer a potentially useful and novel route for the fabrication of a variety of metal nanoparticles on core nanowires.

Keywords: ANNEALING; NANOWIRES; PT SHELL

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2009.M70

Publication date: 2009-07-01

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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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