Selective fluorescence quenching by group 8 metal ions of a water-soluble poly(p-phenylene vinylene) derivative bearing oligo(oxyethylene) pendants

Kyu Nam Kim, Young Wan Kwon, Dong Hoon Choi, Jung Il Jin

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A new fluorescing, water-soluble derivative of poly(p-phenylene vinylene), poly[2,5-bis-(oligooxyethylene)-1,4-phenylene vinylene], P(OE-PV), is synthesized via a multistep route. The UV-vis absorption and photoluminescence properties of the polymer are studied in aqueous solutions in the presence of 25 different metal ions. Among the ions studied, Fe(III), Os(III) and Ru(III) are found to effectively quench the fluorescence of P(OE-PV). The Ru(III) is the most efficient in the fluorescence quenching. This observation implies that the polymer is a sensitive and selective chemosensor for these ions. It is suggested that the photoinduced electron transfer from the excited state of P(OE-PV) to the metal ions may be the quenching mechanism applicationto the present systems.

Original languageEnglish
Pages (from-to)1372-1378
Number of pages7
JournalMacromolecular Chemistry and Physics
Volume210
Issue number17
DOIs
Publication statusPublished - 2009 Sep 4

Fingerprint

Bearings (structural)
Metal ions
Quenching
metal ions
Polymers
Fluorescence
quenching
Ions
Derivatives
fluorescence
Water
polymers
Excited states
water
Photoluminescence
electron transfer
ions
routes
aqueous solutions
photoluminescence

Keywords

  • Fluorescence quenching
  • Fluoropolymers
  • Group 8
  • Oligo(oxyethylene)
  • Poly(p-phenylene vinylene)
  • Water-soluble polymers

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Condensed Matter Physics

Cite this

Selective fluorescence quenching by group 8 metal ions of a water-soluble poly(p-phenylene vinylene) derivative bearing oligo(oxyethylene) pendants. / Kim, Kyu Nam; Kwon, Young Wan; Choi, Dong Hoon; Jin, Jung Il.

In: Macromolecular Chemistry and Physics, Vol. 210, No. 17, 04.09.2009, p. 1372-1378.

Research output: Contribution to journalArticle

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N2 - A new fluorescing, water-soluble derivative of poly(p-phenylene vinylene), poly[2,5-bis-(oligooxyethylene)-1,4-phenylene vinylene], P(OE-PV), is synthesized via a multistep route. The UV-vis absorption and photoluminescence properties of the polymer are studied in aqueous solutions in the presence of 25 different metal ions. Among the ions studied, Fe(III), Os(III) and Ru(III) are found to effectively quench the fluorescence of P(OE-PV). The Ru(III) is the most efficient in the fluorescence quenching. This observation implies that the polymer is a sensitive and selective chemosensor for these ions. It is suggested that the photoinduced electron transfer from the excited state of P(OE-PV) to the metal ions may be the quenching mechanism applicationto the present systems.

AB - A new fluorescing, water-soluble derivative of poly(p-phenylene vinylene), poly[2,5-bis-(oligooxyethylene)-1,4-phenylene vinylene], P(OE-PV), is synthesized via a multistep route. The UV-vis absorption and photoluminescence properties of the polymer are studied in aqueous solutions in the presence of 25 different metal ions. Among the ions studied, Fe(III), Os(III) and Ru(III) are found to effectively quench the fluorescence of P(OE-PV). The Ru(III) is the most efficient in the fluorescence quenching. This observation implies that the polymer is a sensitive and selective chemosensor for these ions. It is suggested that the photoinduced electron transfer from the excited state of P(OE-PV) to the metal ions may be the quenching mechanism applicationto the present systems.

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