| 초록 |
Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) polymers have been widely used in organic electronics because of their high electrical conductivity and water solubility. However, the acidity of PEDOT:PSS can seriously damage the stability of organic electronic devices. In our previous work, the novel structure of polystyrene nanospheres (PS NS)-PEDOT:PSS films were successfully applied as the anode buffer layer for highly air-stable polymer solar cells (PSCs). In this work, silica nanoparticles (Si NPs) with controlled size are incorporated into the anode buffer layer in PSCs. Highly monodipersed spherical Si NPs with various sizes (36.4 ± 2.6nm, 47.7 ± 3.2nm and 68.91 ± 5.6nm) were successfully synthesized and applied to tailor the structure and electrical properties of Si NPs-PEDOT:PSS films. Also, photovoltaic properties of PSC devices with Si NPs-PEDOT:PSS films were investigated and characterized in terms of air stability. |
