A highly selective fluorescent chemosensor for AlIIIion and fluorescent species formed in the solution

Wei Hua Ding, Wei Cao, Xiang Jun Zheng, De Cai Fang, Wing Tak Wong, Lin Pei Jin

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121 Citations (Scopus)


A chemosensor for the Al3+ion, 1-[(3-hydroxypyridin-2-ylamino) methylene]naphthalen-2(1H)-one (H2L), based on inhibited excited-state intramolecular proton transfer was synthesized. The experimental and theoretical calculations at B3LYP+PCM/6-31G(d) revealed that Al3+and H2L form a 1:1 complex, [AlL(OH)(H2O)]2, in dimethyl sulfoxide that exhibits two remarkably enhanced fluorescent emissions at 523 and 553 nm. It is confirmed that H2L could be used to detect Al3+ions in cells by bioimaging.
Original languageEnglish
Pages (from-to)7320-7322
Number of pages3
JournalInorganic Chemistry
Issue number13
Publication statusPublished - 1 Jul 2013

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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