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Asian Journal of Research in Chemistry
Year : 2018, Volume : 11, Issue : 2
First page : ( 379) Last page : ( 384)
Print ISSN : 0974-4169. Online ISSN : 0974-4150.
Article DOI : 10.5958/0974-4150.2018.00068.8

Synthesis of Li+ co-activated Ba5(PO4)3Cl: Eu3+ Nanoparticles by Ethylene Glycol Route: A Photoluminescence Study

Mahapatro Prabhati Kumari1,*, Phaomei Ganngam1,**, Pattnaik Sagarika1, Devi Rajkumari Bindiya2, Yaiphaba Ningombam3, Behera Lingaraj4

1Department of Chemistry, Berhampur University, Berhampur, Odisha, India, Pin 760007

2Department of Chemistry, Manipur University, Canchipur, Manipur, India, Pin-795003

3Department of Chemistry, D.M. College of Sciences, Imphal, Manipur, Pin-795001

4Department of Chemistry, North Orissa University, Baripada, Odisha, India, Pin-757003

*Corresponding Author E-mail: mahapatro.prabhati@gmail.com

**g.phaomei@gmail.com

Online published on 2 June, 2018.

Abstract

Li+ co-activated Ba5(PO4)3Cl: Eu3+ generally called halo-apatite were prepared by solution method using ethylene glycol at low temperature (150°C). Different Ba compounds such as BaHPO4 and Ba5(PO4)3Cl were observed in this preparation process when the pH of the synthesis medium changed from pH 6 to 11.5. The prepared samples showed the five main emission peaks at 483, 592, 615, 652 and 698 nm; and with increasing pH value from 6 to 11.5 the emission intensity increases. The material can show the white, blue and yellowish-green emission colors when the sample was excited at different excitation wavelengths from 233 to 393 nm.

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Keywords

Halo-apatite, white emission, luminescence, nanoparticles.

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