title: Nature of N 2p, Ti 3d, O 2p hybridization of N-doped TiO2 nanotubes and superior photovoltaic performance through selective atomic N doping.
authors.affiliation: NanoCentury KAIST Institute, Graduate School of EEWS, Department of Materials Science & Engineering, KAIST, Yuseong-gu, Daejeon, Republic of Korea.
authors.forename: Kyu Sung
authors.initials: KS
authors.lastname: Han
authors.forename: Dong Ki
authors.initials: DK
authors.lastname: Lee
authors.forename: Jung Woo
authors.initials: JW
authors.lastname: Lee
authors.forename: Ga In
authors.initials: GI
authors.lastname: Lee
authors.forename: Jeung Ku
authors.initials: JK
authors.lastname: Kang