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Dai, Liming
Dr. Liming Dai's Group
Research Interests
  • Synthesis

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Efficient energy transfer between amphiphilic dendrimers with oligo(p-phenylenevinylene) core branches and oligo(ethylene oxide) termini in micelles

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Title
Efficient energy transfer between amphiphilic dendrimers with oligo(p-phenylenevinylene) core branches and oligo(ethylene oxide) termini in micelles
Author
Chang, Dong WookBae, Seo-YoonDai, LimingBaek, Jong-Beom
Keywords
Amphiphilic dendrimers; Branch number; Core structure; Efficient energy transfer; External stimulus; Fluorescence resonance energy transfer; Fluorescent emission; FRET; Lower critical solution temperature; Oligo(p-phenylenevinylene); Oligoethylene oxide; Stern-Volmer constants
Issue Date
201301
Publisher
WILEY-BLACKWELL
Citation
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, v.51, no.1, pp.168 - 175
Abstract
The efficient fluorescence resonance energy transfer (FRET) between amphiphilic dendrimers with oligo(p-phenylenevinylene) core branches and oligo(ethylene oxide) termini have been observed in micelles. All dendrimers show the critical micelle concentration and lower critical solution temperature as well as fluorescent emission. Tailoring electronic structures of the conjugated amphiphiles for FRET have been conveniently achieved by varying the branch number and/or the conjugated core structure. The Stern-Volmer constants (KSV) for FRET were found to be 4.51 x 10-5 and 8.78 x 10-5 M for Den 3040 and Den 5040, respectively. The effects external stimuli such as solvent and temperature on FRET have been also investigated.
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DOI
http://dx.doi.org/10.1002/pola.26356
ISSN
0887-624X
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