Microwave-Assisted One-Pot Synthesis of Indole-Based Fluorescent Probe for Sensitive Detection of Copper (II)

Yu Chieh Wang, Che Kai Wu, Jia Lin Wang, Kwang Ming Lee, Youn Yuen Shu

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

In this study, a rapid, inexpensive and convenient microwave assisted synthesis of indole-3-propionic acid–bisphenol A diglycidyl ether (IPA–SR3) fluorescent probe was developed. This fluorescent probe has the dual illumination characteristics of photoinduced electron transfer and aggregation-induced emission for the specific detection of Cu2+ ion in water. The wavelength-dependent photoluminescence behavior of the aggregated IPA–SR3 was highly selective (Ksv = 1.5 × 104 M−1) and sensitive in Cu2+ ion detection, with a low limit of detection (2.9 μM). Therefore, it can be used to detect low-concentration Cu2+ in water samples. Details of the synthesis procedure and fluorescence characteristics are presented herein. [Figure not available: see fulltext.].

Original languageEnglish
Pages (from-to)21-25
Number of pages5
JournalJournal of Fluorescence
Volume30
Issue number1
DOIs
StatePublished - 1 Jan 2020

Keywords

  • Biomimetic
  • Cu2+ fluorescent probe
  • IPA
  • Microwave-assisted one-pot synthesis
  • Sensors
  • SR3

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