Designing strategies for supramolecular luminescent complex of lanthanide-heterometal assembly

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Abstract

Luminescent complexes consisting of lanthanide, heterometal and ligands can provide supramolecular functions such as extended luminescent lifetime, near-infrared emission and sensing, which result from the heterometal assembly and cannot be realised with a lanthanide homonuclear complex. In this article, kinetic and thermodynamic strategies to construct such supramolecular complexes are reviewed. The kinetic strategy owes to the kinetic inertness of the intermediary homonuclear complex, but allows use of a wide variety of di- or multitopic ligands including relatively simple ones. On the other hand, the ligand used in the thermodynamic strategy so far has been designed with covalent joining of the selective binding sites as exemplified by the highly sophisticated triple-helical complexes. With the view of avoiding elaborate synthesis of ligands in the thermodynamic strategy, supramolecular functional complexes consisting of thiacalixarene, AgI and lanthanide are described, suggesting the possibility of a small simple ligand to serve as a building block in the thermodynamically obtained supramolecular complex.

Original languageEnglish
Pages (from-to)160-168
Number of pages9
JournalSupramolecular Chemistry
Volume23
Issue number1-2
DOIs
Publication statusPublished - 2011 Jan 1

Keywords

  • heterometal assembly
  • lanthanide luminescence
  • supramolecular complex
  • thiacalixarene

ASJC Scopus subject areas

  • Chemistry(all)

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