Proceedings of MATSUS Spring 2024 Conference (MATSUS24)
Publication date: 18th December 2023
Lanthanide elements have garnered attention due to their interesting characteristic emission. The exploration of lanthanide materials for luminescent applications has been ongoing. Due to being in the III group in the periodic table, lanthanide ions exhibit a stable trivalent state, which points out another pathway that directly incorporates into the double perovskite framework. It is therefore worth exploring the new lanthanide double perovskite for future emission applications. In this poster, we will design a tailor-made host framework for lanthanide ions, aiming to achieve bright and stable emission. Double perovskite is chosen for building the lattice group of ions which can strongly absorb the excitation photon and then transfer to the lanthanide ions. We will use a synchrotron setup to investigate, for the first time, the transition behaviour under the effect of high-energy photons. The different photophysical pathways of lanthanide ions in double perovskite, oxide, and halide hosts will also be analysed and compared.
The authors thank the experimental support by MAX IV Beamline in Lund, Sweden and the financial support by the Knut and Alice Wallenberg Foundation, Sweden and the CeNano Foundation of LiTH, Sweden.
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