Encapsulation and luminescent property of tetrakis (1-(2-thenoyl)-3,3,3-trifluoracetate) europium N-hexadecyl pyridinium in modified Si-MCM-41

Qinghong Xu, Liansheng Li, Bin Li, Jihong Yu, Ruren Xu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

72 Citations (Scopus)

Abstract

Eu(TTA)4C5H5NC16H33 (TTA:1-(2-thenoyl)-3,3,3-trifluoracetate) is encapsulated in Si-MCM-41 modified with N-(3-trimethoxysilylethyl)ethylenediamine. The X-ray photoelectron spectroscopy and UV-visible spectra of the rare earth (RE) complex and the assembly prove that the RE complex is dispersed in the channels of the modified Si-MCM-41. The emission spectrum of the assembly shows only a 5D07F2 transition. As compared with the RE complex itself, the lifetime of the assembly becomes longer, and its stability under the UV radiation is much better. (C) 2000 Elsevier Science B.V. All rights reserved.

Original languageEnglish
Pages (from-to)351-358
Number of pages8
JournalMicroporous and Mesoporous Materials
Volume38
Issue number2-3
DOIs
Publication statusPublished - Aug 2000
Externally publishedYes

Keywords

  • Assembly
  • Color purity
  • Encapsulation
  • Lifetime
  • Luminescence
  • Modification
  • Photostability

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