title: Self-assembly of interfacial and photoactive layers via one-step solution processing for efficient inverted organic solar cells.
abstract: Vertically self-assembled bilayers with an interfacial bottom layer and a photoactive top layer are demonstrated via a single coating step of a blend composed of an amine-containing nonconjugated polyelectrolyte (NPE) and an organic electron donor-acceptor bulk heterojunction composite. The self-assembled NPE layer reduces the work function of an indium tin oxide (ITO) cathode, which leads to efficient inverted organic solar cells without any additional interface engineering of the ITO.
authors.affiliation: School of Materials Science and Engineering, Department of Nanobio Materials and Electronics, Heeger Center for Advanced Materials, Research Institute for Solar and Sustainable Energies, Gwangju Institute of Science and Technology, Gwangju 500-712, Republic of Korea. klee@gist.ac.kr.
authors.forename: Hongkyu
authors.initials: H
authors.lastname: Kang
authors.forename: Jinho
authors.initials: J
authors.lastname: Lee
authors.forename: Suhyun
authors.initials: S
authors.lastname: Jung
authors.forename: Kilho
authors.initials: K
authors.lastname: Yu
authors.forename: Sooncheol
authors.initials: S
authors.lastname: Kwon
authors.forename: Soonil
authors.initials: S
authors.lastname: Hong
authors.forename: Seyoung
authors.initials: S
authors.lastname: Kee
authors.forename: Seongyu
authors.initials: S
authors.lastname: Lee
authors.forename: Dongwon
authors.initials: D
authors.lastname: Kim
authors.forename: Kwanghee
authors.initials: K
authors.lastname: Lee
mesh_terms: D000588:Amines / Q000737:chemistry*; D004573:Electrolytes / Q000737:chemistry; D004583:Electrons; D058726:Nanoconjugates / Q000737:chemistry*; D016566:Organoselenium Compounds / Q000737:chemistry; D011137:Polystyrenes / Q000737:chemistry; D012993:Solar Energy; D013876:Thiophenes / Q000737:chemistry; D017971:Tin Compounds / Q000737:chemistry
chemical_list: D000588:Amines; D004573:Electrolytes; D058726:Nanoconjugates; D016566:Organoselenium Compounds; D011137:Polystyrenes; D013876:Thiophenes; D017971:Tin Compounds; C533756:poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate); C526212:poly(3-hexyl)selenophene; C109984:indium tin oxide