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Chemical Synthesis of Porous Barium Titanate Thin Film and Thermal Stabilization of Ferroelectric Phase by Porosity-Induced Strain
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A Fluorine-Functionalized Tb(III)-Organic Framework for Ba2+ Detection.

Yang Zhang1, Hua Tan1, Jiaping Zhu1

  • 1College of Chemistry, Guangdong University of Petrochemical Technology, Maoming 525000, China.

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|January 8, 2025
PubMed
Summary

A novel fluorine-functionalized terbium-based metal-organic framework (Tb-MOF) was synthesized for selective gas adsorption and luminescence sensing. The material demonstrates high selectivity for acetylene and sensitive detection of barium ions.

Keywords:
Ba2+ cationTb-MOFfluorine-functionalizedluminescence sensorselective C2H2 capture

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Area of Science:

  • Materials Science
  • Inorganic Chemistry
  • Nanotechnology

Background:

  • Lanthanide-organic frameworks (Ln-MOFs) are crucial for energy and environmental applications.
  • Developing materials for selective gas adsorption and luminescence sensing is significant.

Purpose of the Study:

  • To synthesize a fluorine-functionalized 3D microporous Tb-MOF.
  • To investigate its potential for luminescence sensing of Ba^2+ cations.
  • To evaluate its selective gas adsorption properties.

Main Methods:

  • Solvothermal synthesis of the Tb-MOF.
  • Characterization of the material's structure and properties.
  • Luminescence sensing experiments for Ba^2+.
  • Gas adsorption studies and simulations.

Main Results:

  • A fluorine-functionalized 3D microporous Tb-MOF with a face-centered cubic (fcu) topology was successfully synthesized.
  • The activated MOF (1a) showed high selectivity and reversibility in luminescence sensing of Ba^2+ with a low limit of detection (LOD).
  • Simulations indicated high adsorption selectivity for acetylene (C2H2) over other small gas molecules at 298 K.

Conclusions:

  • The synthesized Tb-MOF is a promising material for selective gas adsorption, particularly for acetylene.
  • The material exhibits excellent potential for the luminescence sensing of barium ions.
  • This work contributes to the development of advanced Ln-MOFs for environmental and energy applications.