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Abstract <p>[(EuL<sub>3</sub>)(H<sub>2</sub>O)(MeOH)](MeOH), a convenient precursor to heterometallic complexes, has been synthesized for the first time using a functionalized lithium CF<sub>3</sub>-β-diketonate. Photoluminescent properties of a series of solid heterometallic europium(III) diketonates with the isomeric [EuL<sub>4</sub>] structure, prepared from the acetal-containing CF<sub>3</sub>-β-diketonate, have been investigated. The luminescent parameters of the tetrakis-diketonates [LiEuL<sub>4</sub>(H<sub>2</sub>O)](CH<sub>3</sub>CN), [(EuL<sub>3</sub>)(LiL)(MeOH)], as well as the new [(KEuL<sub>4</sub>)(H<sub>2</sub>O)]<sub><i>n</i></sub>, have been compared.</p>

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Influence of Coordination Site Arrangement on the Luminescence of Eu(III) Tetrakis-β-Diketonates

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • Yu. S. Kudyakova,
  • M. S. Valova,
  • P. A. Slepukhin,
  • Ya. V. Burgart,
  • V. I. Saloutin,
  • D. N. Bazhin

摘要

Abstract

[(EuL3)(H2O)(MeOH)](MeOH), a convenient precursor to heterometallic complexes, has been synthesized for the first time using a functionalized lithium CF3-β-diketonate. Photoluminescent properties of a series of solid heterometallic europium(III) diketonates with the isomeric [EuL4] structure, prepared from the acetal-containing CF3-β-diketonate, have been investigated. The luminescent parameters of the tetrakis-diketonates [LiEuL4(H2O)](CH3CN), [(EuL3)(LiL)(MeOH)], as well as the new [(KEuL4)(H2O)]n, have been compared.