A highly selective colorimetric and ratiometric two-photon fluorescent probe for fluoride ion detection

  • Jun Feng Zhang
  • , Chang Su Lim
  • , Sankarprasad Bhuniya
  • , Bong-Rae Cho
  • , Jong Seung Kim

    Research output: Contribution to journalArticlepeer-review

    307 Citations (Scopus)

    Abstract

    A naphthalimide-based highly selective colorimetric and ratiometric fluorescent probe for the fluoride ion displayed both one-and two-photon ratiometric changes. Upon reaction with the F- (TBA+ and Na+ salts) anion in CH3CN as well as in aqueous buffer solution, probe 1 shows dramatic color changes from colorless to jade-green and remarkable ratiometric fluorescence enhancements signals. These properties are mechanistically ascribed to a fluoride-triggered Si-O bond cleavage that resulted in a green fluorescent 4-amino-1,8-naphthalimide.(Figure Presented)

    Original languageEnglish
    Pages (from-to)1190-1193
    Number of pages4
    JournalOrganic Letters
    Volume13
    Issue number5
    DOIs
    Publication statusPublished - 2011 Mar 4

    ASJC Scopus subject areas

    • Biochemistry
    • Physical and Theoretical Chemistry
    • Organic Chemistry

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