Synthesis, Characterization and Photoluminescence Properties of CdSiO3:Ce3+ Nanophosphors

R.B. Basavaraj; H.J. Amith Yadav; H. Nagabhushana; S.C. Prashantha; K.S. Anantharaju; Y.S. Vidya

doi:10.4028/www.scientific.net/MSF.830-831.612

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HomeMaterials Science ForumMaterials Science Forum Vols. 830-831Synthesis, Characterization and Photoluminescence...

Synthesis, Characterization and Photoluminescence Properties of CdSiO₃:Ce³⁺ Nanophosphors

Abstract:

CdSiO₃: Ce³⁺ (1-11mol %) nanophosphors were prepared by low temperature solution combustion method using Oxalyl di-hydrazine (ODH) as fuel. The final products were well characterized by PXRD and SEM. The optical properties of the nanophosphors were investigated by Photoluminescence studies. PXRD results evident that CdSiO₃phosphor shows pure single monoclinic structure. The average crystallite size was calculated using Debye – Scherer’s formula and was found to be in the range of 30-40 nm. The SEM micrographs show phosphors with high porosity and irregular shaped particles. Photoluminescence peaks observed at 454, 563 and 679 nm under 397 nm excitation was due to transition from 5d state to the ²F_5/2 and ²F_7/2 components of the ground state of Ce³⁺ in CdSiO₃ host material. CdSiO₃:Ce³⁺ nanophosphors show an intense yellow emission with CIE coordinates (0.47, 0.50) with average correlated color temperature value 3284 was within the range of vertical day light. The present study successfully demonstrates solution combustion synthesis of nanophosphors for display applications.

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Periodical:

Materials Science Forum (Volumes 830-831)

Pages:

612-615

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.830-831.612

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Online since:

September 2015

Authors:

R.B. Basavaraj, H.J. Amith Yadav, H. Nagabhushana*, S.C. Prashantha, K.S. Anantharaju, Y.S. Vidya

Keywords:

CdSiO₃:Ce³⁺, Color Coordinates, Combustion Method, Photoluminescence (PL)

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