Premium
Synthesis and characterization of Ba 3 Si 6 O 12 N 2 :Eu 2+ phosphor
Author(s) -
Fartode S. A.,
Dhoble S. J.
Publication year - 2016
Publication title -
luminescence
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.428
H-Index - 45
eISSN - 1522-7243
pISSN - 1522-7235
DOI - 10.1002/bio.2963
Subject(s) - phosphor , analytical chemistry (journal) , thermoluminescence , photoluminescence , materials science , doping , scanning electron microscope , dopant , excited state , diffusion , ion , activation energy , luminescence , chemistry , atomic physics , optoelectronics , physics , organic chemistry , chromatography , composite material , thermodynamics
Eu 2+ ‐doped Ba 3 Si 6 O 12 N 2 phosphors were prepared successfully via a modified solid‐state diffusion method. The phosphors were characterized by X‐ray diffraction (XRD), scanning electron microscopy (SEM) and photoluminescence measurements. These phosphors were effectively excited at 355 nm and an intense emission peaking in the range 480 nm to 525 nm in the blue region was observed. The optimized dopant concentration was determined to be 1 mol% of Eu 2+ ion. The colour coordinates for phosphor were found to be (0.196, 0.326) in the blue region. This phosphor may find application for near‐ultraviolet (NUV) excited lamp phosphors. The thermoluminescence study shows the complex glow curve. Trapping parameters (activation energy and frequency factor) were calculated for individual deconvoluted peaks by Chen's peak shape method, the initial rise method and the whole glow peak method. Copyright © 2015 John Wiley & Sons, Ltd.