Research Article

Improved Morphology of Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate) Thin Films for All-Electrospray-Coated Organic Photovoltaic Cells

Figure 2

(a) Flow rate of the PEDOT:PSS inks at different voltage applied; (b) the RMS roughness of the resultant PEDOT:PSS thin films coated with the parameters shown in (a).
(a)
(b)