Luminescence Properties of M(AlCl4)2:Yb2+ (M = Ca, Sr, Ba): Ideal Materials for the Investigation of Structure–Luminescence Relationships
2024

Luminescence Properties of M(AlCl4)2:Yb2+

publication 10 minutes Evidence: moderate

Author Information

Author(s): Weiss Julian Wilhelm, Kuhlmann Natalie, Wickleder Claudia

Primary Institution: Inorganic Chemistry, University of Siegen, Germany

Hypothesis

The study investigates the influence of the [AlCl4]− ion on the luminescence properties of Yb2+-doped materials.

Conclusion

The study reveals that the emission maxima of Yb2+-doped materials shift with temperature and that the local symmetry affects the luminescence properties.

Supporting Evidence

  • The emission spectra of Yb2+-doped materials show broad emission bands.
  • Temperature-dependent measurements reveal strong thermal quenching.
  • The emission maxima shift with temperature, indicating vibrational energy influences.
  • Different local symmetries affect the luminescence properties of the materials.

Takeaway

This research looks at how certain materials glow when mixed with a special ion, showing that their glow changes with temperature.

Methodology

The materials were synthesized and their optical properties were analyzed using emission and excitation measurements at various temperatures.

Limitations

The study does not explore the effects of higher doping concentrations on the luminescence properties.

Digital Object Identifier (DOI)

10.3390/ma17246193

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