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FRET function of polymeric ionic liquid film containing rhodamine moieties for exhibiting emissions by excitation at wide wavelength areas

Paper ID Volume ID Publish Year Pages File Format Full-Text
27393 44018 2011 5 PDF Available
Title
FRET function of polymeric ionic liquid film containing rhodamine moieties for exhibiting emissions by excitation at wide wavelength areas
Abstract

This paper reports synthesis of an imidazolium-type fluorescent polymeric ionic liquid film containing rhodamine moieties, which shows fluorescence resonance-energy-transfer (FRET) property, resulting in emissions by excitation at wide wavelength areas. First, radical copolymerization of two polymerizable ionic liquid, which had one and two polymerizable groups, respectively, was carried out with AIBN as an initiator to confirm whether a transparent polymeric ionic liquid film could be produced. Then, radical terpolymerization of the two ionic liquids with a rhodamine derivative having a polymerizable group was performed under the similar conditions as that for the above copolymerization to give the fluorescent polymeric ionic liquid film containing rhodamine moieties. The fluorescence spectra of the resulting film exhibited emissions due to the rhodamine group by excitation at wide wavelength areas. This result indicated occurrence of FRET from the polymeric ionic liquid units to the rhodamine moieties in the film because the excitation-wavelength-dependent emissions due to the polymeric ionic liquid were partially overlapped with an absorption peak due to the rhodamine group.

• Synthesis of a polymeric ionic liquid film with rhodamine moieties was carried out. • The film showed emissions due to rhodamine group by excitation at wide wavelength areas. • This result indicated occurrence of FRET from polymeric ionic liquid units to rhodamine moieties. • The emission due to the former was overlapped with the absorption due to the latter.

Keywords
Fluorescence resonance-energy-transfer; Polymeric ionic liquid; Rhodamine; Excitation-wavelength-dependent emission; Film
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FRET function of polymeric ionic liquid film containing rhodamine moieties for exhibiting emissions by excitation at wide wavelength areas
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 222, Issue 1, 5 July 2011, Pages 283–287
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us