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Structural and photoluminescence studies of Eu3+-and Yb3+-doped cadmium sulfide nanoparticles prepared by precipitation method

Structural and photoluminescence studies of Eu3+-and Yb3+-doped cadmium sulfide nanoparticles... Abstract.Cadmium sulfide (CdS) nanoparticles (NPs) with europium (Eu) and ytterbium (Yb) dopant concentrations in the range of 1% to 4% were efficiently obtained through a co-precipitation approach in the presence of air at room temperature. Structural, morphological and optical characteristics of CdS  :  Eu3  +   and CdS  :  Yb3  +   NPs were explored by x-ray diffraction, Fourier transform-Raman, ultraviolet-visible absorption spectroscopy, and photoluminescence studies. The realized CdS  :  Eu3  +   NPs (3%) demonstrate the best luminescence with three emission peaks at 470 nm (2.63 eV), 590 nm (2.1 eV), and 616 nm (2.01 eV) that correlates to the excitonic emission of CdS NPs. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Nanophotonics SPIE

Structural and photoluminescence studies of Eu3+-and Yb3+-doped cadmium sulfide nanoparticles prepared by precipitation method

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Publisher
SPIE
Copyright
© 2022 Society of Photo-Optical Instrumentation Engineers (SPIE)
ISSN
1934-2608
eISSN
1934-2608
DOI
10.1117/1.jnp.16.020502
Publisher site
See Article on Publisher Site

Abstract

Abstract.Cadmium sulfide (CdS) nanoparticles (NPs) with europium (Eu) and ytterbium (Yb) dopant concentrations in the range of 1% to 4% were efficiently obtained through a co-precipitation approach in the presence of air at room temperature. Structural, morphological and optical characteristics of CdS  :  Eu3  +   and CdS  :  Yb3  +   NPs were explored by x-ray diffraction, Fourier transform-Raman, ultraviolet-visible absorption spectroscopy, and photoluminescence studies. The realized CdS  :  Eu3  +   NPs (3%) demonstrate the best luminescence with three emission peaks at 470 nm (2.63 eV), 590 nm (2.1 eV), and 616 nm (2.01 eV) that correlates to the excitonic emission of CdS NPs.

Journal

Journal of Nanophotonics – SPIE

Published: Apr 1, 2022

Keywords: co-precipitation; rare earth; optical materials and properties; x-ray techniques; photoluminescence

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