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Energy Transfer in Mixtures of Water‐ Soluble Oligomers: Effect of Charge, Aggregation, and Surfactant Complexation
Author(s) -
Stork M.,
Gaylord B.S.,
Heeger A.J.,
Bazan G.C.
Publication year - 2002
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/1521-4095(20020304)14:5<361::aid-adma361>3.0.co;2-9
Subject(s) - counterion , polyelectrolyte , pulmonary surfactant , chromophore , quenching (fluorescence) , polymer , materials science , fluorescence , chemical engineering , energy transfer , chemical physics , photochemistry , polymer chemistry , ion , organic chemistry , chemistry , physics , quantum mechanics , engineering , composite material
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.