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Combustion synthesis of Dy3+, Eu3+ activated Na2X(PO4)F (X = Mg, Ca, Sr) phosphors for lamp industry

Published online by Cambridge University Press:  17 September 2010

S. J. Dhoble ,
V. B. Pawade  and
K. N. Shinde
S. J. Dhoble*
Affiliation:
Department of Physics, RTM Nagpur University, Nagpur, 440033, India
V. B. Pawade
Affiliation:
Department of Physics, RTM Nagpur University, Nagpur, 440033, India
K. N. Shinde
Affiliation:
Department of Physics, RTM Nagpur University, Nagpur, 440033, India
*
sjdhoble@rediffmail.com
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Abstract

In this paper we have reported synthesis and characterization of Dy3+ and Eu3+ activated Na2Mg(PO4)F, Na2Ca(PO4)F and Na2Sr(PO4)F phosphors. These phosphors were prepared by combustion synthesis and characterized by XRD and photoluminescence techniques. Dy3+ ion gives PL emission in blue and yellow region of the visible spectrum by 385 nm excitation of the LED excitation and Eu3+ ion gives PL emission in the red region of visible spectrum under 251 nm UV-excitation (Hg excitation), respectively. Therefore, above prepared Dy3+ activated phosphors are more applicable for white LED and Eu3+ activated phosphors are more applicable for Hg excitation lamp. Hence prepared, Dy3+ and Eu3+ activated Na2X(PO4)F (X = Ca, Sr, Mg) phosphors by combustion method are very potential application in the field of lamp industry.

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 52 , Issue 1 , October 2010 , 11104
Copyright
© EDP Sciences, 2010

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