Structural and spectroscopic investigation of new luminescent hybrid materials based on calix[4]arene-tetracarboxylate and Ln 3+ ions (Ln = Gd, Tb or Eu) - Publication - Bridge of Knowledge

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Structural and spectroscopic investigation of new luminescent hybrid materials based on calix[4]arene-tetracarboxylate and Ln 3+ ions (Ln = Gd, Tb or Eu)

Abstract

Lanthanide-calixarene hybrid materials are of particular interest due to the combination of the interesting properties of the ligand cavity-like structure and the luminescent features of lanthanides. The aim of this study was to synthesize and investigate the photophysical properties of Eu3+, Tb3+ and Gd3+ hybrids based on calix[4]arene-tetracarboxylate. The preparation of two structurally different Tb3+ compounds (calix-TA-SC-Tb and calix-TA-Tb) was dictated by the ligand to metal molar ratio and the synthesis time. Analysis of calix-TA-SC-Tb monocrystals revealed the formation of a mononuclear complex of C2 symmetry containing Tb3+ coordinated by four calixarene ionized groups and formate anion encapsulated within the upper cavity. Syntheses of other hybrids failed in producing high-quality crystals and the structures could not be solved. The solid-state luminescent properties of hybrids were evaluated, and the structure/property relationship was investigated. Based on the emission and excitation spectra, the energy diagrams for calix-TA-Eu, calix-TA-Tb and calix-TAGd were proposed.

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Authors (6)

  • Photo of Dr Rodrigo da_Silva_Viana

    Rodrigo da_Silva_Viana Dr

    • FUPE, Federal Univesidade de Pernambuco, Recife, Brazil Department of Fundamental Chemistry,
  • Photo of Carlos Alberto Fernandes de Oliveira

    Carlos Alberto Fernandes de Oliveira

    • IFPA, Institut of Paraiba, Jao Pessoa, Brazil Department of Fundamental Chemistry,
  • Photo of prof. dr hab. inż. Jarosław Chojnacki

    Jarosław Chojnacki prof. dr hab. inż.

  • Photo of Bráulio Barros

    Bráulio Barros

    • FUPE, Federal Univesidade de Pernambuco, Recife, Brazil Department of Mechanical Engineering
  • Photo of Severino Alves Junior

    Severino Alves Junior

    • FUPE, Federal Univesidade de Pernambuco, Recife, Brazil Department of Fundamental Chemistry,
  • Photo of dr inż. Joanna Kulesza

    Joanna Kulesza dr inż.

    • FUPE, Federal Univesidade de Pernambuco, Recife, Brazil Department of Fundamental Chemistry

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
JOURNAL OF SOLID STATE CHEMISTRY no. 251, pages 26 - 32,
ISSN: 0022-4596
Language:
English
Publication year:
2017
Bibliographic description:
Da_silva_viana R., Oliveira C., Chojnacki J., Barros B., Junior S., Kulesza J.: Structural and spectroscopic investigation of new luminescent hybrid materials based on calix[4]arene-tetracarboxylate and Ln 3+ ions (Ln = Gd, Tb or Eu)// JOURNAL OF SOLID STATE CHEMISTRY. -Vol. 251, (2017), s.26-32
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.jssc.2017.04.002
Verified by:
Gdańsk University of Technology

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