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Energy Transfer in Mixtures of Water- Soluble Oligomers: Effect of Charge, Aggregation, and Surfactant Complexation
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2002
Year
EngineeringSmart PolymerSupramolecular AggregationPolyelectrolyte GelChemistrySolution (Chemistry)PolymersChemical EngineeringWater- Soluble OligomersInterfacial ChemistrySurfactant ComplexationBiophysicsPolymer ChemistrySurfactant SolutionEnergy TransferMicellePhysical ChemistryMolecular AggregatePolymeric CounterionsSupramolecular PolymerPolymer SolutionNatural SciencesPolymer ScienceAmphiphilic System
What enhances the energy transfer between oppositely charged polyelectrolytes in water? To evaluate this, the authors synthesized oligo- and polymeric counterions (see Figure for an example of a polycation) and measured fluorescence quenching. The effect was biggest for polymers in the presence of a large excess of surfactant, stressing the influence of supramolecular aggregation of the chromophores.