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Effect of Trace Fe3+ on Luminescent Properties of CaWO4: Pr3+ Phosphors

  • Ke Wang , Xu Feng , Wenlin Feng EMAIL logo , Shasha Shi , Yao Li and Chao Zhang
Published/Copyright: November 6, 2015
Zeitschrift für Naturforschung A
From the journal Zeitschrift für Naturforschung A Volume 71 Issue 1

Abstract

Fe3+ undoped and doped CaWO4: Pr3+ phosphors have been successfully synthesised by using the solid-state reaction method. The products were characterised by powder X-ray diffraction (XRD), photoluminescence (PL) and fluorescence lifetime testing techniques, respectively. The mean crystallite size (50.7 nm) of CaWO4: Pr3+ is obtained from powder XRD data. PL spectra of both Fe3+ undoped and doped CaWO4: Pr3+ phosphors exhibit excitation peaks at 214, 449, 474, and 487 nm under monitor wavelength at 651 nm, and emission peaks at 532, 558, 605, 621, 651, 691, 712, and 736 nm under blue light (λem=487 nm) excitation. The effect of trace Fe3+ on luminescence properties of CaWO4: Pr3+ phosphor is studied by controlling the doping concentration of Fe3+. The results show that radioactive energy transfers from luminescence centre Pr3+ to quenching centre Fe3+ occurred in Fe3+ doped CaWO4: Pr3+ phosphors. With the increasing concentration of Fe3+, the energy transfer from Pr3+ to Fe3+ is enhanced, and the emission intensity of CaWO4: Pr3+ will be lower. The decay times (5.22 and 4.99 μs) are obtained for typical samples Ca0.995WO4: Pr3+0.005 and Ca0.99275WO4: Pr3+0.005, Fe3+0.00225, respectively. This work shows that nonferrous phosphors can improve the luminescent intensity of the phosphors.

Keywords: CaWO4: Pr3+, Fe3+; Luminescence; Optical Materials and Properties; Phosphors; Quenching Mechanism
Corresponding author: Wenlin Feng, School of Optoelectronic Information, Chongqing University of Technology, Chongqing 400054, China; and Chongqing Key Laboratory of Modern Photoelectric Detection Technology and Instrument, Chongqing 400054, China, Tel.: +86 23 6256 3272, E-mail:

Acknowledgments

This project was supported by the National Science Foundation of China (Grant no. 11104366), the Key Project of Chinese Ministry of Education (Grant no. 212139), and the Graduate Student Innovation Fund of Chongqing University of Technology (Grantno. YCX2014219).

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Received: 2015-8-13
Accepted: 2015-10-14
Published Online: 2015-11-6
Published in Print: 2016-1-1

©2016 by De Gruyter

Articles in the same Issue

  1. Frontmatter
  2. Theoretical Investigations on the Elastic and Thermodynamic Properties of Rhenium Phosphide
  3. Lax Pair, Conservation Laws, Solitons, and Rogue Waves for a Generalised Nonlinear Schrödinger–Maxwell–Bloch System under the Nonlinear Tunneling Effect for an Inhomogeneous Erbium-Doped Silica Fibre
  4. Effect of Trace Fe3+ on Luminescent Properties of CaWO4: Pr3+ Phosphors
  5. Rogue-Wave Interaction of a Nonlinear Schrödinger Model for the Alpha Helical Protein
  6. Multi-Scale Long-Range Magnitude and Sign Correlations in Vertical Upward Oil–Gas–Water Three-Phase Flow
  7. Theoretical Study of Geometries, Stabilities, and Electronic Properties of Cationic (FeS)n+ (n = 1–5) Clusters
  8. Explanation of the Quantum-Mechanical Particle-Wave Duality through the Emission of Watt-Less Gravitational Waves by the Dirac Equation
  9. Closed Analytical Solutions of the D-Dimensional Schrödinger Equation with Deformed Woods–Saxon Potential Plus Double Ring-Shaped Potential
  10. Solitons, Bäcklund Transformation, Lax Pair, and Infinitely Many Conservation Law for a (2+1)-Dimensional Generalised Variable-Coefficient Shallow Water Wave Equation
  11. The Non-Alignment Stagnation-Point Flow Towards a Permeable Stretching/Shrinking Sheet in a Nanofluid Using Buongiorno’s Model: A Revised Model
  12. Rapid Communication
  13. Extrinsic and Intrinsic Contributions to Plasmon Peaks in Solids
https://doi.org/10.1515/zna-2015-0360
Keywords for this article
CaWO4: Pr3+, Fe3+; Luminescence; Optical Materials and Properties; Phosphors; Quenching Mechanism

Articles in the same Issue

  1. Frontmatter
  2. Theoretical Investigations on the Elastic and Thermodynamic Properties of Rhenium Phosphide
  3. Lax Pair, Conservation Laws, Solitons, and Rogue Waves for a Generalised Nonlinear Schrödinger–Maxwell–Bloch System under the Nonlinear Tunneling Effect for an Inhomogeneous Erbium-Doped Silica Fibre
  4. Effect of Trace Fe3+ on Luminescent Properties of CaWO4: Pr3+ Phosphors
  5. Rogue-Wave Interaction of a Nonlinear Schrödinger Model for the Alpha Helical Protein
  6. Multi-Scale Long-Range Magnitude and Sign Correlations in Vertical Upward Oil–Gas–Water Three-Phase Flow
  7. Theoretical Study of Geometries, Stabilities, and Electronic Properties of Cationic (FeS)n+ (n = 1–5) Clusters
  8. Explanation of the Quantum-Mechanical Particle-Wave Duality through the Emission of Watt-Less Gravitational Waves by the Dirac Equation
  9. Closed Analytical Solutions of the D-Dimensional Schrödinger Equation with Deformed Woods–Saxon Potential Plus Double Ring-Shaped Potential
  10. Solitons, Bäcklund Transformation, Lax Pair, and Infinitely Many Conservation Law for a (2+1)-Dimensional Generalised Variable-Coefficient Shallow Water Wave Equation
  11. The Non-Alignment Stagnation-Point Flow Towards a Permeable Stretching/Shrinking Sheet in a Nanofluid Using Buongiorno’s Model: A Revised Model
  12. Rapid Communication
  13. Extrinsic and Intrinsic Contributions to Plasmon Peaks in Solids
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