External quantum efficiency (EQE) and UV–vis absorption spectra for printed PFB:F8BT photosensor. Atomic force micrograph (inset) of inkjet printed film. Z-height scale is 30 nm and scale bar is 1.25 lm
External quantum efficiency (EQE) and UV–vis absorption spectrafor printed PFB:F8BT photosensor. Atomic force micrograph (inset) of inkjetprinted film. Z-height scale is 30 nm and scale bar is 1.25 lm