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Synthesis and luminescent properties of (Sr0.75Ba0.25)MoO4:Pr3+, R+(Li+, Na+, K+) deep red phosphors

Published online by Cambridge University Press:  11 June 2010

Q. Li ,
J. Huang  and
D. Chen
Q. Li
Affiliation:
Key Laboratory of Catalysis and Material Science of the State Ethnic Affairs Commission & Ministry of Education, College of Chemistry and Material Science, South-Central University For Nationalities, Wuhan, 430074 Hubei, P.R. China
J. Huang
Affiliation:
Key Laboratory of Catalysis and Material Science of the State Ethnic Affairs Commission & Ministry of Education, College of Chemistry and Material Science, South-Central University For Nationalities, Wuhan, 430074 Hubei, P.R. China
D. Chen*
Affiliation:
Key Laboratory of Catalysis and Material Science of the State Ethnic Affairs Commission & Ministry of Education, College of Chemistry and Material Science, South-Central University For Nationalities, Wuhan, 430074 Hubei, P.R. China
*
[email protected]
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Abstract

The novel red-emitting phosphors (Sr0.75Ba0.25)MoO4:Pr3+, R+ (R = Li, Na, K) were prepared by solid-state reaction. The crystallization and particle sizes of samples have been investigated by powder X-ray diffraction (XRD) and transmission electron microscopy (TEM). TEM images show that the grain size of phosphor is well agreement with the theoretical calculation data from the XRD patterns. Corresponding to the 3P0 $\to$ 3F2 transition of Pr3+, the intensely red emission at 647 nm resulted from exciting the powders with blue light. The concentrations of doping ions, replace the different parts of substrate and the charge compensator R+ (R = Li, Na, K) in the phosphor system can significantly influence the properties of phosphor.

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 51 , Issue 1 , July 2010 , 10603
Copyright
© EDP Sciences, 2010

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