Crystalline-to-semicrystalline transition in lanthanide trifluoroacetates: implications for optical pressure and temperature sensing

Szlag, Regina G.; Rabuffetti, Federico A.

doi:10.1039/d3tc01924a

J. Mater. Chem. C

2023

DOI: 10.1039/d3tc01924a

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Crystalline-to-semicrystalline transition in lanthanide trifluoroacetates: implications for optical pressure and temperature sensing

Regina G. Szlag

Federico A. Rabuffetti

Abstract: The discovery of a pressure-dependent, crystalline-to-semicrystalline, reversible transition in luminescent trifluoroacetates containing europium and terbium is reported. Its implications for optical pressure and temperature sensing are discussed.

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Energy Transfer Processes in NaBiF₄ Nanocrystals Co‐Doped with Tb³⁺ and Eu³⁺ Dispersed in Aqueous Solution

Hu,

Ruggieri,

Bettinelli

et al. 2024

Eur J Inorg Chem

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The synthesis of hexagonal NaBiF4 co‐doped with Tb3+ and Eu3+(NaBi0.75‐xTb0.25EuxF4; with x = 0, 5, 10, 20 and 30) was achieved via a facile and fast precipitation route at 35°C. Powder X‐ray diffraction (PXRD) and luminescence spectroscopy have been employed to characterize and investigate the materials. The study of luminescence spectroscopy and decay kinetics of the 5D4 excited state of Tb3+ provides the evidence of a Tb3+→Eu3+ energy transfer process. Sodium citrate has been adopted as capping agent to promote a homogeneous dispersion of the materials into water and to protect the inorganic host, which is water sensitive, from direct contact with this molecule. The comparison of luminescence properties between bare and citrate‐capped samples of NaBiF4 co‐doped with Tb3+ and Eu3+ reveals a marked difference in the Tb3+→Eu3+ energy transfer efficiency, which has been tentatively explained on the basis of a different environment surrounding the lanthanide ions in the two families of compounds.

show abstract

Energy Transfer Processes in NaBiF₄ Nanocrystals Co‐Doped with Tb³⁺ and Eu³⁺ Dispersed in Aqueous Solution

Hu,

Ruggieri,

Bettinelli

et al. 2024

Eur J Inorg Chem

View full text Add to dashboard Cite

show abstract

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Crystalline-to-semicrystalline transition in lanthanide trifluoroacetates: implications for optical pressure and temperature sensing

Abstract: The discovery of a pressure-dependent, crystalline-to-semicrystalline, reversible transition in luminescent trifluoroacetates containing europium and terbium is reported. Its implications for optical pressure and temperature sensing are discussed.

Cited by 1 publication

References 52 publications

Energy Transfer Processes in NaBiF₄ Nanocrystals Co‐Doped with Tb³⁺ and Eu³⁺ Dispersed in Aqueous Solution

Energy Transfer Processes in NaBiF₄ Nanocrystals Co‐Doped with Tb³⁺ and Eu³⁺ Dispersed in Aqueous Solution

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Crystalline-to-semicrystalline transition in lanthanide trifluoroacetates: implications for optical pressure and temperature sensing

Abstract: The discovery of a pressure-dependent, crystalline-to-semicrystalline, reversible transition in luminescent trifluoroacetates containing europium and terbium is reported. Its implications for optical pressure and temperature sensing are discussed.

Cited by 1 publication

References 52 publications

Energy Transfer Processes in NaBiF4 Nanocrystals Co‐Doped with Tb3+ and Eu3+ Dispersed in Aqueous Solution

Energy Transfer Processes in NaBiF4 Nanocrystals Co‐Doped with Tb3+ and Eu3+ Dispersed in Aqueous Solution

Contact Info

Product

Resources

About

Energy Transfer Processes in NaBiF₄ Nanocrystals Co‐Doped with Tb³⁺ and Eu³⁺ Dispersed in Aqueous Solution

Energy Transfer Processes in NaBiF₄ Nanocrystals Co‐Doped with Tb³⁺ and Eu³⁺ Dispersed in Aqueous Solution