Discriminating detection between F- and CN- by naked eye from Schiff base sensor

Yen Wen Liu, Min Xiu Kao, An-Tai Wu

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

A simple colorimetric and turn-on fluorescence receptor 1 was prepared and its cations and anions sensing properties were investigated in CH3CN solution. Receptor 1 can selectively sense F- and CN- based on distinct color changes among a series of ions. Receptor 1 displayed a highly selective colorimetric response to fluoride anions based on a hydrogen bonding interaction process and fluorescent with colorimetric response to cyanide anions based on a generation of a cyanide adduct. The detection limit of receptor 1 toward F- and CN- ion was determined to be 0.28 ppm and 0.41 ppm, respectively. The two detection limit values were sufficiently low to detect submicromolar concentration of the F- and CN-.

Original languageEnglish
Pages (from-to)429-435
Number of pages7
JournalSensors and Actuators, B: Chemical
Volume208
DOIs
Publication statusPublished - 2015 Mar 1

Fingerprint

Schiff Bases
imines
Anions
Negative ions
Cyanides
sensors
Sensors
cyanides
anions
Ions
Fluorides
Cations
Hydrogen bonds
Positive ions
Fluorescence
adducts
Color
fluorides
ions
color

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

Cite this

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Discriminating detection between F- and CN- by naked eye from Schiff base sensor. / Liu, Yen Wen; Xiu Kao, Min; Wu, An-Tai.

In: Sensors and Actuators, B: Chemical, Vol. 208, 01.03.2015, p. 429-435.

Research output: Contribution to journalArticle

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