期刊
MICROPOROUS AND MESOPOROUS MATERIALS
卷 122, 期 1-3, 页码 7-12出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.micromeso.2008.12.021
关键词
Sol-gel; Meso-structured; Monolith; Fluorescence; Lifetime
类别
资金
- Shanghai Leading Academic Discipline Project [B502]
Europium complex, Eu(BA)(3)Phen (BA = benzoic acid and Phen = 1,10-phenanthroline), was encapsulated in meso-structured silica monoliths, which were using PEG (PEG = polyethylene glycol) as a low cost template and synthesized via sol-gel methods. The monoliths were silylated by 3-aminopropyltriethoxysilane (APTES) before wet impregnation. Samples were characterized by BET, infrared spectroscopy, and fluorescence measurements. The results showed that the lanthanide complexes were dispersed in the channels of silylated meso-structured monoliths. Compared with the pure complex, the molar percentage luminescent intensity and the luminescence lifetime of the assembly increased, respectively. (C) 2009 Elsevier Inc. All rights reserved.
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