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Visible-Light Photocatalysts of ZrO2/AgCl:Eu3+ Nanoparticles

  • Pham van Huan
  • Phuong Dinh TamEmail author
  • Vuong-Hung PhamEmail author
Article
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Abstract

This paper reports the visible-light photocatalysts and luminescence quenching of ZrO2/AgCl:Eu3+ nanoparticles synthesized by the co-precipitation method as a function of AgCl concentration. XRD analysis indicated the presence of crystalline tetragonal ZrO2 and an AgCl phase. The synthesized ZrO2/AgCl:Eu3+ nanoparticles were observed to have a spherical morphology with diameters of ∼ 20 nm. The photocatalyst with 2.5% mole fractions of AgCl showed effective degradation of methylene blue under visible light with the decolorization percentage reaching ∼ 95% in 180 min. The red emission of Eu3+ in the ZrO2/AgCl:Eu3+ nanoparticles decreased with increasing AgCl mole fraction. Visible-light photocatalysts of ZrO2/AgCl:Eu3+ nanoparticles can be attributed to the presence of AgCl resulting in higher photoexcited charges separation, which can be confirmed by lower luminescence intensity.

Keywords

Zirconia luminescence precipitation quenching photocatalyst nanoparticles 

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Notes

Acknowledgments

This research is funded by Vietnam National Foundation for Science and Technology Development (NAFOSTED) under Grant Number 103.03-2017.35.

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Copyright information

© The Minerals, Metals & Materials Society 2019

Authors and Affiliations

  1. 1.Advanced Institute for Science and Technology (AIST)Hanoi University of Science and Technology (HUST)HanoiVietnam
  2. 2.Faculty of Material Science and EngineeringPhenikaa UniversityHanoiVietnam

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