title: Bamboo-type TiO2 nanotubes: improved conversion efficiency in dye-sensitized solar cells.
authors: Department of Materials Science, WW4-LKO, University of Erlangen-Nuremberg, Martensstrasse 7 D-91058 Erlangen, Germany.
authors: Doohun
authors: D
authors: Kim
authors: Andrei
authors: A
authors: Ghicov
authors: Sergiu P
authors: SP
authors: Albu
authors: Patrik
authors: P
authors: Schmuki