The Origin of the Green Emission Band in Polyfluorene Type Polymers

This chapter contains sections titled: Introduction Photo-physical Properties of Polyfluorene-type Polymers Optical properties of pristine polyfluorenes Optical properties of polyfluorenes in the δ-phase Fluorescent on chain defects in polyfluorene-type polymers Formation of keto-type defects in PF-type polymers The formation of keto defects during the synthesis Formation of keto defects during thermal degradation Formation of keto defects due to photo-oxidative degradation The origin of the green emission band at 2.2-2.3 eV Degradation in polyfluorene-based electroluminescent devices Conclusion