ABSTRACT
Polyfluorenes (PFO) are a class of conjugated polymers which show a typical blue luminescence in solution and solid-state. Fluorene molecules form a polymer backbone, as shown in Figure 6.1(a). These polymers exhibit interesting physical properties, as photoluminescence (PL) quantum efficiency can rise above 50%, and charge mobility can be controlled by molecular morphology (Ariu et al., 2002; Perevedentsev et al., 2016; Prins et al., 2006). Therefore, they are attractive for applications in optoelectronic industry, mainly for developing organic electronic devices, such as light-emitting diodes (Peet et al., 2008) and solar cells (Oh et al., 2010).
