Synthesis and Optical Characterization of Europium Doped MY2O4 (M = Mg, Ca, and Sr) Nanophosphors for Solid State Lightening Applications | Zendy

Devender Singh | Zendy; Vijeta Tanwar | Zendy; Shri Bhagwan | Zendy; Vandishal | Zendy; Suman Sheoran | Zendy; Sonika Kadyan | Zendy; A.P. Samantilleke | Zendy; Pratap Singh Kadyan | Zendy

Open Access

Synthesis and Optical Characterization of Europium Doped MY₂O₄ (M = Mg, Ca, and Sr) Nanophosphors for Solid State Lightening Applications

Author(s) -

Devender Singh,

Vijeta Tanwar,

Shri Bhagwan,

Vandishal,

Suman Sheoran,

Sonika Kadyan,

A.P. Samantilleke,

Pratap Singh Kadyan

Publication year - 2015

Publication title -

indian journal of materials science

Language(s) - English

Resource type - Journals

ISSN - 2314-7490

DOI - 10.1155/2015/845065

Subject(s) - europium , phosphor , materials science , photoluminescence , luminescence , scanning electron microscope , doping , transmission electron microscopy , analytical chemistry (journal) , emission spectrum , nanotechnology , spectral line , optoelectronics , chemistry , physics , astronomy , chromatography , composite material

Trivalent europium doped yttriate nanophosphors were synthesized by rapid facile gel combustion technique. The photoluminescence (PL) properties of these Eu3+ activated MY2O4 (M = Mg, Ca, and Sr) nanophosphors showed red luminescence and exhibited excellent emission properties in their respective regions of color coordinates. Based on the excitation wavelengths multiple emission peaks were obtained. The main peak in the emission spectra was ascribed to 5D0→7F2 transition of Eu3+ ion. The structural and morphological studies were performed by the measurements of X-ray diffraction profiles, scanning electron microscope (SEM) images, and transmission electron microscope (TEM) micrographs. Furthermore, the effects of additional heating on the different host lattices of these phosphors were also studied

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