Abstract In this work, the photoinduced optoelectronic properties of a conjugated polymer from device characterization and quantum calculations have been studied. It was demonstrated that the photosensitive conjugated polymer with… Click to show full abstract
Abstract In this work, the photoinduced optoelectronic properties of a conjugated polymer from device characterization and quantum calculations have been studied. It was demonstrated that the photosensitive conjugated polymer with electron donor–acceptor dyad (6) which contains a terthiophene unit, can modulate charge accumulation by photoirradiation resulting in a threshold voltage shift in the polymer field-effect transistors (PFETs) while this effect of the photoinactive polymer (5) containing a thienothiophene unit is negligible. These results suggest that the feasible molecular design strategies can provide an effective platform to achieve controllable threshold voltage modulation in PFETs.
               
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