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Preparation of Eu(BA)3phen/PVP Fluorescent Nanofibers by Electrospinning

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Abstract:

Eu (BA)3phen/PVP fluorescent nanofibers has been successfully fabricated based on PVP and europium complexes Eu (BA)3phen (BA = benzoic acid, phen = phenanthroline) via electrospinning technology. The as-prepared samples were characterized by field-emission scanning electron microscopy (FESEM), energy dispersive spectroscopy (EDS) and fluorescence spectroscopy (FS). The as-prepared Eu (BA)3phen/PVP nanofibers possess good fibrous morphology, smooth surface and narrow size distribution. The average diameter of nanofibers was about 250 nm. Under the excitation of 274-nm ultraviolet light, Eu (BA)3phen/PVP nanofibers exhibit red emissions of predominant peaks at 592 and 616nm, which are respectively attributed to the 5D0 →7F1 and 5D0→7F2 energy levels transitions of Eu3+ ions. The optimum mass percentage of Eu (BA)3phen to PVP is 15%. The fluorescent nanofibers are expected to apply in the fields of lasers, displays, amplifiers for optical communication, and medical imaging, etc.

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Periodical:

Advanced Materials Research (Volumes 919-921)

Pages:

2084-2087

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.919-921.2084

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Cite this paper

Online since:

April 2014

Authors:

Li Yan Wang, Guang Qing Gai*, Xiang Ting Dong

Keywords:

Electro-Spinning, Europium Complex, Fluorescence, Nanofiber

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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