Co-Precipitation Synthesis and Characterization of Bi3+, Eu3+ Co-Doped Nanocrystal Gd2WO6 Phosphors

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Abstract:

Eu3+ single-doped and Bi3+/Eu3+ co-doped nanocrystal Gd2WO6 phosphors were successfully synthesized via a co-precipitation reaction. The structure and morphology of the phosphors were characterized by using X-ray powder diffraction (XRD) and field emission scanning electron microscopy (FE-SEM). The influence of Bi3+-doping concentration on the excitation and emission spectra was studied. It was found that the introduction of Bi3+ can greatly affect the charge transfer band and the luminescence intensity of Eu3+ but does not cause a change in the profile of emission spectra of Eu3+.

Keywords: CO-PRECIPITATION; GD2WO6 NANOCRYSTALS; WHITE LIGHT EMITTING DIODES (WHITE LEDS)

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.2146

Publication date: March 1, 2010

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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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