Crystallographic and photophysical aspects of combustion derived novel Dy3+-activated BaSrGd4O8 nanophosphor for advanced solid-state lighting applications

被引：0
|
作者：
Hina Dalal
Mukesh Kumar
Priyanka Sehrawat
Monika Sheoran
Neeraj Sehrawat
Surendra Kumar
R. K. Malik
机构：
[1] Maharshi Dayanand University,Department of Chemistry
[2] Hansraj College,Department of Chemistry
[3] University of Delhi,undefined
来源：
Journal of Materials Science: Materials in Electronics | 2022年 / 33卷
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摘要：
Characteristic white light-emanating novel BaSrGd4O8:Dy3+ nanophosphor was synthesized via solution combustion approach. Orthorhombic-phased crystals with irregular shape and size in the range of 35–54 nm were formed. Qualitative and quantitative elemental analysis was done. When excited by near-UV light, photoluminescence spectra displayed blue and yellow bands at 479 and 570 nm wavelength corresponding to the electronic transitions 4F9/2 → 6H15/2 and 4F9/2 → 6H13/2, respectively. Energy band gap was also determined via Diffuse Reflectance Spectroscopy. CIE coordinates were found to lie in whitish domain, thus, verified their potential candidature in pc-WLEDs and solid-state lightings.
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页码：13743 / 13756
页数：13
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