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  Published Paper Details:

  Paper Title

STRUCTURE AND PHOTOLUMINESCENCE PROPERTIES OF NA(SR,MG)VO4:EU3+RED EMITTING PHOSPHOR

  Authors

  C.R. Kesavulu,  Ch. Basava poornima,  M. Baba Fakruddin & P. Surya Nagi Reddy,   Dr. P. Saraswathi

  Keywords

Phosphors, Na(Sr,Mg)VO4, Eu3+ ion, Optical properties, Light-emitting diodes

  Abstract


The novel red-emitting phosphors of Eu3+-activated alkaline earth metal (Sr and Mg) vanadate phosphors, Na(Sr0.97-x, Mgx)VO4:Eu3+0.03 (x = 0 to 0.97) has been successfully synthesized using solid state reaction method and characterized through structure, morphology, luminescence (excitation, emission and CIE coordinates) and decay rate properties as a function of Mg ion concentration. The phosphors show an intense and broad excitation band (monitored for 5D0 ? 7F2 transition of Eu3+) in the 220- 400 nm spectral regions which make them highly suitable for GaN-based LED chips. These phosphors can be efficiently excited by near UV light and exhibit a dominant red emission at 611 nm (5D0?7F2). The decay lifetime and color coordinates were evaluated for Na(Sr,Mg)VO4:Eu3+ phosphors. Therefore, these phosphors could be a potential candidate for light emitting diodes and display applications.

  IJCRT's Publication Details

  Unique Identification Number - IJCRT2007279

  Paper ID - 196975

  Page Number(s) - 2912-2921

  Pubished in - Volume 8 | Issue 7 | July 2020

  DOI (Digital Object Identifier) -   

  Publisher Name - IJCRT | www.ijcrt.org | ISSN : 2320-2882

  E-ISSN Number - 2320-2882

  Cite this article

  C.R. Kesavulu,  Ch. Basava poornima,  M. Baba Fakruddin & P. Surya Nagi Reddy,   Dr. P. Saraswathi,   "STRUCTURE AND PHOTOLUMINESCENCE PROPERTIES OF NA(SR,MG)VO4:EU3+RED EMITTING PHOSPHOR ", International Journal of Creative Research Thoughts (IJCRT), ISSN:2320-2882, Volume.8, Issue 7, pp.2912-2921, July 2020, Available at :http://www.ijcrt.org/papers/IJCRT2007279.pdf

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ISSN: 2320-2882
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Journal Starting Year (ESTD) : 2013
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ISSN and 7.97 Impact Factor Details


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ISSN
ISSN: 2320-2882
Impact Factor: 7.97 and ISSN APPROVED
Journal Starting Year (ESTD) : 2013
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