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Spectral characterization of novel LiZnVO4 ceramic phosphor

G. BHASKAR KUMAR1,* , S.RAMAPRABHU1, S. BUDDHUDU2, K. SIVAIAH2

Affiliation

  1. Alternative Energy and Nanotechnology Laboratory, Department of Physics, Indian Institute of Technology Madras, Chennai-600036, India
  2. Department of Physics, Sri Venkateswara University, Tirupati-517502, India

Abstract

This paper reports on the spectral analysis of novel Lithium Zinc Vanadate (LiZnVO4) ceramic phosphor prepared by a solid state reaction method. Emission spectrum of LiZnVO4 has shown a bright green emission at 533 nm with exci = 359 nm. A bright green colour emission has also been noticed directly from this phosphor under an UV source. For this luminescent phosphor, X-ray diffraction (XRD), Scanning electron microscopy (SEM), Energy dispersive X-ray spectroscopy (EDS), Fourier-transform IR spectroscopy (FTIR), Raman Spectrum, Comprehensive Differential Thermo gravimetric Analysis (TGDTA) have also been carried out..

Keywords

Ceramics, Optical Properties, Luminescence, LiZnVO4.

Submitted at: Jan. 18, 2011
Accepted at: June 9, 2011

Citation

G. BHASKAR KUMAR, S.RAMAPRABHU, S. BUDDHUDU, K. SIVAIAH, Spectral characterization of novel LiZnVO4 ceramic phosphor, Journal of Optoelectronics and Advanced Materials Vol. 13, Iss. 6, pp. 638-642 (2011)