title: Enhancement of incident photon-to-current conversion efficiency for phthalocyanine-sensitized solar cells by 3D molecular structuralization.
abstract: Enlarging the molecular size of zinc phthalocyanine (Pc) dyes three dimensionally with 2,6-diphenylphenoxy substituents significantly reduced the aggregation of the dyes on a TiO(2) surface. As a result, the incident photon-to-current conversion efficiency was improved not only in the Q band but over the whole absorption range, achieving 4.6% energy conversion efficiency under one-sun conditions. Electron lifetime measurements indicated that these Pc dyes do not enhance charge recombination, encouraging further development of Pc.
authors.affiliation: Division of Chemistry and Materials, Faculty of Textile Science and Technology, and Collaborative Innovation Center of Nanotech FIBER (nanoFIC), Shinshu University, Ueda 386-8567, Japan. shogmori@shinshu-u.ac.jp
authors.forename: Shogo
authors.initials: S
authors.lastname: Mori
authors.forename: Morio
authors.initials: M
authors.lastname: Nagata
authors.forename: Yuki
authors.initials: Y
authors.lastname: Nakahata
authors.forename: Kazumasa
authors.initials: K
authors.lastname: Yasuta
authors.forename: Ryota
authors.initials: R
authors.lastname: Goto
authors.forename: Mutsumi
authors.initials: M
authors.lastname: Kimura
authors.forename: Minoru
authors.initials: M
authors.lastname: Taya