Matti Knaapila and Andrew P. Monkman Methods for Controlling Structure and Photophysical Properties in Polyfluorene Solutions and Gels Advanced Materials 25
The structural hierarchies of polyfluorenes in solution and gel range from intramolecular structures to the diverse aggregate classes, network structures and agglomerates of these units including the curious beta phase. These structures can be controlled by solvent quality, side chain branching, side chain length, molecular weight, thermal history and myriad functionalisations. These different structures have profound effects on the photophysics of the polymers at the quantitative level. Here, these properties of polyfluorenes are reviewed in detail.
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