期刊
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
卷 72, 期 2, 页码 322-326出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2008.09.013
关键词
Binaphthyl compounds; Fluorescent sensor; Metal ion; PET process
类别
资金
- Lanzhou University [LZUJC2007003]
Two novel binaphthyl compounds have been synthesized for the selective fluorescent recognition of Ca2+ or Pb2+. By introducing different terminal groups to the receptor unit, the fluorescence signals of the receptors are significantly changed: I is fluorescence enhancement for Ca2+, 2 is fluorescence quenching for Pb2+. The binding properties for metal ions were examined by the absorption and fluorescence spectra. The fluorescence intensity enhancement was ascribed to the complex formation between Ca2+ and 1 which blocked the photo-induced electron transfer process. (c) 2008 Elsevier B.V. All rights reserved.
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