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Korean Journal of Chemical Engineering

, Volume 36, Issue 4, pp 613–619 | Cite as

Photoluminescence and photocatalytic properties of Eu3+-doped CaZnTiO3 perovskites with metal ion loading

  • Byung-Geon ParkEmail author
Materials (Organic, Inorganic, Electronic, Thin Films)
  • 8 Downloads

Abstract

Europium (Eu3+)-doped CaZnTiO3 perovskite phosphors were synthesized using a sol-gel reaction method. Different solvent materials were introduced to the synthesis process to produce higher emitting phosphors. Eu3+-doped CaZnTiO3 perovskite synthesized using an ethanol mixture solvent exhibited higher photoluminescence intensities for red emission than those synthesized using distilled water as a solvent. The synthesized Eu3+-doped CaZnTiO3 perovskites were characterized by photo-physical analysis and tested for the photocatalytic degradation of toluene. Ru, Co, and Ni ions were loaded on the perovskites to improve photocatalytic activity. Ni ion-loaded CaZnTiO3: Eu3+ perovskite showed enhanced red emission and higher photocatalytic activities compared to those of bare CaZnTiO3: Eu3+ perovskite. The improvement of the photocatalytic degradation of toluene was attributed to the lower bandgap of Ni ion-loaded CaZnTiO3: Eu3+ perovskite, as determined by UV-visible diffuse reflectance spectroscopy.

Keywords

CaZnTiO3 Perovskite Europium Photoluminescence Photocatalytic Degradation 

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Copyright information

© The Korean Institute of Chemical Engineers 2019

Authors and Affiliations

  1. 1.Department of Food and NutritionKwangju Women’s UniversityGwangjuKorea

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