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Selective Fluorescence Quenching by Group 8 Metal Ions of a Water-Soluble Poly(p-phenylene vinylene) Derivative Bearing Oligo(oxyethylene) Pendants

Authors
Kim, Kyu-NamKwon, Young-WanChoi, Dong HoonJin, Jung-Il
Issue Date
4-9월-2009
Publisher
WILEY-V C H VERLAG GMBH
Keywords
fluorescence quenching; fluoropolymers; group 8; oligo(oxyethylene); poly(p-phenylene vinylene); water-soluble polymers
Citation
MACROMOLECULAR CHEMISTRY AND PHYSICS, v.210, no.17, pp.1372 - 1378
Indexed
SCIE
SCOPUS
Journal Title
MACROMOLECULAR CHEMISTRY AND PHYSICS
Volume
210
Number
17
Start Page
1372
End Page
1378
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/119328
DOI
10.1002/macp.200900088
ISSN
1022-1352
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 application to present systems
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