期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 16, 期 7, 页码 2125-2130出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200901687
关键词
lanthanides; luminescence; sensors; silica shell; zeolites
资金
- National Natural Science Foundation of China [20871040, 20901022]
- Key Project of Chinese Ministry of Education [208016]
- Ministry of Personal [2006332]
- People's Republic of China [2006332]
- Department of Personal Hebei Province [2006332]
- Hebei province [08965110D]
- Tianjin Natural Science Foundation [09JCYBJC05700]
We report here on the preparation of novel luminescent core-shell material by initial coating with polyelectrolytes and subsequent with a silica shell on the lanthanide complexes loaded zeolite L microcrystals. Lanthanide complexes loaded zeolite L was prepared by insertion of 2-thenoyltrifluoroacetone (TTA) into the nanochannels of zeolite crystals by gas diffusion of TTA to Eu3+ exchanged zeolite L, coating a silica shell on the lanthanide complexes loaded zeolite L resulted to the novel luminescent core-shell material. The luminescent core-shell material was further functionalized with silylated terbium(III) complex and the obtained material was used as the luminescence sensing of dipicolinic acid (DPA), which is a major constituent of many pathogenic spore-forming bacteria.
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