title: All solution processable organic photovoltaic cells using DMDCNQI as an organic N-type buffer layer.
abstract: Organic photovoltaic cells consisting of ITO/PEDOT-PSS/P3HT:PCBM/TiO(x)/DMDCNQI/Al have been fabricated by using dip-coated DMDCNQI layer as a cathode buffer material. We have investigated the physical effects of charge transfer complex and wettability of DMDCNQI between TiO(x)/P3HT:PCBM layer and Al cathode electrode on the performance of organic photovoltaic cell. The photovoltaic cell fabricated with a dip-coated DMDCNQI layer exhibited almost similar performance compared to the device using conventional evaporated DMDCNQI layer. Especially, the power conversion efficiency of the prepared organic photovoltaic cell using TiO(x)/DMDCNQI layer was improved to 3.1%, which is mainly due to the decrease in the low contact resistance of organic-metal interface.
authors.affiliation: Department of Chemical and Biomolecular Engineering, Sogang University, Sinsu-Dong, Mapo-Gu, Seoul 121-742, Korea.
authors.forename: Eui Yeol
authors.initials: EY
authors.lastname: Yang
authors.forename: Byoung Min
authors.initials: BM
authors.lastname: So
authors.forename: Chan Moon
authors.initials: CM
authors.lastname: Chung
authors.forename: Se Young
authors.initials: SY
authors.lastname: Oh
mesh_terms: D011211:Electric Power Supplies; D004867:Equipment Design; D019544:Equipment Failure Analysis; D008027:Light; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure*; D009930:Organic Chemicals / Q000737:chemistry*; D010316:Particle Size; D012666:Semiconductors; D012993:Solar Energy; D012996:Solutions
chemical_list: D009930:Organic Chemicals; D012996:Solutions