title: Sub-nanometer conformal TiO₂ blocking layer for high efficiency solid-state perovskite absorber solar cells.
authors.affiliation: Laboratory of Photonics and Interfaces, Swiss Federal Institute of Technology (EPFL), Station 6, CH 1015, Lausanne, Switzerland.
authors.forename: Aravind Kumar
authors.initials: AK
authors.lastname: Chandiran
authors.forename: Aswani
authors.initials: A
authors.lastname: Yella
authors.forename: Matthew T
authors.initials: MT
authors.lastname: Mayer
authors.forename: Peng
authors.initials: P
authors.lastname: Gao
authors.forename: Mohammad Khaja
authors.initials: MK
authors.lastname: Nazeeruddin
authors.forename: Michael
authors.initials: M
authors.lastname: Grätzel
keywords: CH3NH3PbI3; atomic layer deposition; blocking layer; dye-sensitized solar cell; perovskite absorber