Cover Page November-2011-Advanced Materials Letters

Advanced Materials Letters

Volume 2, Issue 5, Pages 327-330, November 2011
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Combustion synthesis of X3.5Mg0.5Si3O8Cl4 (X3.5 = Sr,Ba):Eu2+ blue emitting phosphors

N.S. Dhoble1, V.B. Pawade2, S.J. Dhoble3*

1Department of Chemistry, Sevadal Mahila Mahavidyalaya, Nagpur 440009, India

2Department of Applied Physics, VNIET, Nagpur 440023, India

3Department of Physics, RTM Nagpur University, Nagpur 440033, India

Adv. Mater. Lett., 2011, 2 (5), pp 327-330

DOI: 10.5185/amlett.2011.3070am2011

Publication Date (Web): Apr 08, 2012

E-mail: sjdhoble@rediffmail.com

Abstract

Eu2+ luminescence in novel Sr3.5Mg0.5Si3O8Cl4 and Ba3.5Mg0.5Si3O8Cl4 phosphors is reported in this paper. These were synthesized by combustion method at 550oC furnace temperature. The prepared phosphors shows PL emission spectra at 445 nm, due to 4f65d1→ 4f7 transition of Eu2+ ions by monitoring excitation at 358 nm for Sr and Ba host lattice. Phase purity was checked by using XRD-pattern. The prepared phosphors have potential applications for solid-state lighting purpose.

Keywords

Phosphors, combustion synthesis, solid-state lighting, photoluminescence, XRD

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