Thorough Organic/Si Nanostructure Heterojunction Provided By Surfactant Assisted Pedot:Pss

In this work, water, isopropyl alcohol (IPA), and Zonyl tluorosurfactant are applied on PEDOT:PSS to try to improve PEDOT:PSS attachment on Si nanowires (SiNWs) thoroughly. After treatment, only Zonyl tluorosurfactant assisted PEDOT:PSS has thorough coating profiles on SiNWs. However, water and IPA diluted PEDOT:PSS only touch the top portion of SiNWs. Therefore, Zonyl-PEDOT:PSS/SiNW solar cells generate highest PCE of 10.87%, J(sc) of 28.86 mA/cm(2), and FF of 71.75%. In comparison, the water-PEDOT:PSS/SiNW and IPA-PEDOT: PSS/SiNW devices have lower PCE of 9.22% and 8.66%, respectively.