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Kinetics and Thermodynamics of Poly(9,9-dioctylfluorene) β-Phase Formation in D...
Dias, Fernando B.; Morgado, Jorge; Maçanita, António L.; Costa, Fernando P. da; Burrows, Hugh D.; Monkman, Andrew P.Poly(9,9-dioctylfluorene) (PFO) adopts a particular type of conformation in dilute solutions of the poor solvent methylcyclohexane (MCH) below 273 K, which is revealed by the appearance of a red-shifted absorption peak at 437−438 nm. The formation of this ordered conformation depends on the temperature but is independent of polymer concentration over the range studied (3−25 μg/mL). On the basis of absorption, s...
Date: 2006
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Origin: Estudo Geral - Universidade de Coimbra