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Preparation and Up-Conversion Luminescence of Yb3+ and Er3+ Co-Doped BaF2 Phosphor

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Abstract:

Yb3+and Er3+ co-doped BaF2 phosphors were prepared by high temperature solid reaction method. Effects of mol content ratios of Yb3+ ion to Er3+ion (CYb3+∶CEr3+) and charge compensation agent Na2SiF6 contents on the up-conversion luminescence of the samples were studied. The XRD and PL were carried out to investigate the phases and the up-conversion luminescence. Three up-conversion emissions were observed with peaks at 460nm, 548nm and 660nm respectively. The up-conversion luminescence intensity increases firstly, and then decreases with increasing CYb3+∶CEr3+ and the optimal ratio was found to be at 12:2 with fixed Er3+ contents 2mol%. The up-conversion emission intensity was enhanced by introducing Na2SiF6 as the charge compensation agents and its optimal content was found to be 2mol%.

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Info:

Periodical:

Advanced Materials Research (Volumes 287-290)

Pages:

490-493

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.287-290.490

Citation:

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Online since:

July 2011

Authors:

Li Qun Cheng, Guang Cheng, Rui Dong, Xi Yan Zhang

Keywords:

BaF2, Charge Compensation, Co-Doped, Na2Sif6, Up-Conversion, Yb3+and Er3+

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