NDLI: Synthesis and characterization of blue long-lasting BaCa2Al8O15:Eu2+, Dy3+ phosphor.

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Synthesis and characterization of blue long-lasting BaCa2Al8O15:Eu2+, Dy3+ phosphor.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Yerpude, A. N. Dhoble, S. J. Haranath, D.
Description	Country affiliation: India Author Affiliation: Yerpude AN ( Department of Physics, RTM Nagpur University, Nagpur 440033, India.)
Abstract	We have synthesized and characterized a new BaCa2Al8O15:Eu(2+),Dy(3+) phosphor prepared by the combustion method. X-ray diffraction, thermoluminescence, scanning electron microscope, time decay and optical spectral analysis photoluminescence excitation, emission spectra were used to characterize the phosphors. Broadband ultraviolet excited luminescence of the BaCa2Al8O15:Eu(2+),Dy(3+) was observed in the blue region (λ(max) = 435 nm) due to transitions from the 4f(6)5d(1) to the 4f(7) configuration of the Eu(2+) ion. Scanning electron microscopy has been used for exploring the morphological properties of the prepared phosphors. The BaCa2Al8O15:Eu(2+) phosphor has a blue afterglow when Dy(3+) ions were co-doped. The thermoluminescence spectra show that the Dy(3+) ion induces a proper trap in the phosphor with a depth of 0.67 eV and results in a long afterglow phosphorescence.
File Format	HTM / HTML
ISSN	15227235
Issue Number	4
Volume Number	28
e-ISSN	15227243
Journal	Luminescence
Language	English
Publisher	Wiley-Blackwell
Publisher Date	2013-07-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Biophysics Discipline Biochemistry Luminescent Agents Chemistry Chemical Synthesis Aluminum Barium Calcium Dysprosium Europium Luminescence Luminescent Measurements Oxygen Particle Size Surface Properties X-ray Diffraction Journal Article
Content Type	Text
Resource Type	Article
Subject	Chemistry Biophysics

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