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Interplay of Electrostatic and Hydrophobic Effects with Binding of Cationic Gem...
Burrows, Hugh D.; Tapia, María J.; Silva, Cláudia L.; Pais, Alberto A. C. C.; Fonseca, Sofia M.; Pina, João; Melo, J. Seixas de; Wang, YujieUnderstanding factors responsible for the fluorescence behavior of conjugated polyelectrolytes and modulation of their behavior are important for their application as functional materials. The interaction between the anionic poly1,4-phenylene-[9,9-bis(4-phenoxy-butylsulfonate)]fluorene-2,7-diylcopolymer (PBS−PFP) and cationic gemini surfactants α,ω-(CmH2m+1N+(CH3)2)2(CH2)s(Br-)2 (m-s-m; m = 12, s = 2, 3, 5, 6, ...
Solubilization of Polyelectrolytic Hairy-Rod Polyfluorene in Aqueous Solutions ...
Knaapila, Matti; Almásy, László; Garamus, Vasil M.; Pearson, Christopher; Pradhan, Swapna; Petty, Michael C.; Scherf, Ullrich; Burrows, Hugh D.We report on the solubilization, phase behavior, and self-organized colloidal structure of a ternary water−polyfluorene−surfactant (amphiphile) system comprised of polyelectrolytic poly1,4-phenylene[9,9-bis(4-phenoxybutylsulfonate)]fluorene-2,7-diyl (PBS−PFP) in nonionic pentaethylene glycol monododecyl ether (C12E5) at 20 °C. We show in particular how a high amount (milligrams per milliliter) of polyfluorene c...
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