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Polyfluorenes as electroactive polymers

• interest in polyfluorene (PF) derivatives has increased because of their high photoluminescence (PL) quantum efficiency, thermal stability, and also their facile color tunability, which can be obtained by introducing low-band-gap co-monomers.
• Previously, researchers have not wanted to work with polyfluorenes because of their poor efficiency
• This has been improved by blending, copolymerization, and end-capping with charge transporting materials to obtain improved charge injection.
• Polyfluorenes are the only class of polymers that emit colors spanning the entire visible range with high efficiency and low operating voltage.