Bowing effect with fluorescence

A unique chemosensor for the silver ion

Dong Hun Shin, Young Gun Ko, Ung Su Choi, Woo Nyon Kim

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A unique chemosensor for Ag ions was created by coupling an anthracene signaling unit onto an amine-terminated glass slide. Chemical dye (Orange II) was applied to establish the exposed amine groups on the surface, because the coupling reaction is dependent on the amount of the exposed amine groups. The assembled layer had a surface that was not flat but, instead, had an embossed shape, on the microscale; the surface roughness was greater than that of the original glass, because of the morphology of the rare glass. The quenching effect of the synthesized chemosensor is notable in Ag aqueous solution, despite concentrations on the parts per billion (ppb) scale. When several Ag ions were provided for the chemosensor, the morphology of the chemosensor was considerably changed, which made the contact angles change. All the states of the chemosensor in the surface were characterized using atomic force microscopy (AFM) and scanning electron microscopy (SEM). The bowing effect and binding state, in regard to the adsorption of Ag ions, were further specified using X-ray photoelectron spectroscopy (XPS).

Original languageEnglish
Pages (from-to)656-662
Number of pages7
JournalIndustrial and Engineering Chemistry Research
Volume45
Issue number2
DOIs
Publication statusPublished - 2006 Jan 18

Fingerprint

Bending (forming)
Silver
Amines
silver
fluorescence
glass
Fluorescence
Ions
Glass
ion
atomic force microscopy
Anthracene
surface roughness
X-ray spectroscopy
Contact angle
Quenching
Atomic force microscopy
dye
Coloring Agents
X ray photoelectron spectroscopy

ASJC Scopus subject areas

  • Polymers and Plastics
  • Environmental Science(all)
  • Chemical Engineering (miscellaneous)

Cite this

Bowing effect with fluorescence : A unique chemosensor for the silver ion. / Shin, Dong Hun; Ko, Young Gun; Choi, Ung Su; Kim, Woo Nyon.

In: Industrial and Engineering Chemistry Research, Vol. 45, No. 2, 18.01.2006, p. 656-662.

Research output: Contribution to journalArticle

Shin, Dong Hun ; Ko, Young Gun ; Choi, Ung Su ; Kim, Woo Nyon. / Bowing effect with fluorescence : A unique chemosensor for the silver ion. In: Industrial and Engineering Chemistry Research. 2006 ; Vol. 45, No. 2. pp. 656-662.
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