Multiresponsive Behavior of Functional Poly(p-phenylene vinylene)s in Water
AbstractThe multiresponsive behavior of functionalized water-soluble conjugated polymers (CPs) is presented with potential applications for sensors. In this study, we investigated the aqueous solubility behavior of water-soluble CPs with high photoluminescence and with a particular focus on their pH and temperature responsiveness. For this purpose, two poly(phenylene vinylene)s (PPVs)—namely 2,5-substituted PPVs bearing both carboxylic acid and methoxyoligoethylene glycol units—were investigated, with different amount of carboxylic acid units. Changes in the pH and temperature of polymer solutions led to a response in the fluorescence intensity in a pH range from 3 to 10 and for temperatures ranging from 10 to 85 °C. Additionally, it is demonstrated that the polymer with the largest number of carboxylic acid groups displays upper critical solution temperature (UCST)-like thermoresponsive behavior in the presence of a divalent ion like Ca2+. The sensing capability of these water-soluble PPVs could be utilized to design smart materials with multiresponsive behavior in biomedicine and soft materials. View Full-Text
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Ryskulova, K.; Rao Gulur Srinivas, A.; Kerr-Phillips, T.; Peng, H.; Barker, D.; Travas-Sejdic, J.; Hoogenboom, R. Multiresponsive Behavior of Functional Poly(p-phenylene vinylene)s in Water. Polymers 2016, 8, 365.
Ryskulova K, Rao Gulur Srinivas A, Kerr-Phillips T, Peng H, Barker D, Travas-Sejdic J, Hoogenboom R. Multiresponsive Behavior of Functional Poly(p-phenylene vinylene)s in Water. Polymers. 2016; 8(10):365.Chicago/Turabian Style
Ryskulova, Kanykei; Rao Gulur Srinivas, Anupama; Kerr-Phillips, Thomas; Peng, Hui; Barker, David; Travas-Sejdic, Jadranka; Hoogenboom, Richard. 2016. "Multiresponsive Behavior of Functional Poly(p-phenylene vinylene)s in Water." Polymers 8, no. 10: 365.
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