Abstract
Nano-sized Eu3+-doped ZnS particles were prepared by chemical precipitation method using polyethylene glycol as capping agent. The structural and morphological studies of ZnS:Eu3+ nanoparticles were carried out using X-ray diffraction (XRD), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). XRD results show that ZnS:Eu3+ nanoparticles have a cubic structure for all Eu3+ concentrations. Dependence of doping concentration on the photoluminescence (PL) of ZnS:Eu3+ nanophosphor was studied for excitations at 395 nm and 465 nm. At 395-nm excitation, emission colors of ZnS:Eu3+ nanophosphor lie in blue, green, yellow, and red regions of chromaticity diagram for different doping concentrations. But for all doping concentrations we got red emission when the excitation wavelength was 465 nm and the color purity was 92% for 0.03 M doped sample.
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All authors contributed equally to the conception, design and analysis. Material preparation and data collection were done by KRB. Original manuscript was prepared by KRB and TAS. Supervision of the work and review and editing of manuscript were done by EIA.
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Bindu, K.R., Safeera, T.A. & Anila, E.I. Pure red luminescence and concentration-dependent tunable emission color from europium-doped zinc sulfide nanoparticles. J Mater Sci: Mater Electron 33, 17793–17801 (2022). https://doi.org/10.1007/s10854-022-08644-5
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DOI: https://doi.org/10.1007/s10854-022-08644-5