Supporting information for the article: Vujančević, J., Andričević, P., Bjelajac, A., Đokić, V., Popović, M., Rakočević, Z., Horváth, E., Kollár, M., Náfrádi, B., Schiller, A., Domanski, K., Forró, L., Pavlović, V., Janaćković, Đ., 2019. Dry-pressed anodized titania nanotube/CH3NH3PbI3 single crystal heterojunctions: The beneficial role of N doping. Ceramics International 45, 10013–10020. https://doi.org/10.1016/j.ceramint.2019.02.045

Abstract

Table S1. Reported methods for nitrogen doping of anodized TiO2 nanotube arrays; Figure S1. SEM images and statistical distributions of outer diameters obtained by analyzing SEM micrographs of 100 nanotubes; Table S2. Average morphology parameters for TiO2-undoped, TiO2-N30, TiO2-N60 and TiO2-N90 samples; Table S3. Average crystals size for TiO2-undoped, TiO2-N30, TiO2-N60 and TiO2-N90 samples; Figure S2. Deconvoluted XPS spectra of N 1s core level of Ti foil (black line-experimental, grey line-background, magenta line-envelope); Table S4. Peak positions and atomic percentages of N1s core levels for TiO2-undoped, TiO2-N30, TiO2-N60 and TiO2-N90 samples; Table S5. Positions and atomic percentages of Ti 2p3/2 and O1s core peaks for TiO2-undoped, TiO2-N30, TiO2-N60 and TiO2-N90 samples; Figure S3. The time evolution of the current during the preconditioning of the TiO2/perovskite sample at a bias voltage of 100 V for 75 sec. Dashed line is the logarithmic fit of the base line of the current time evolution; Figure S4. Ideality factor for TiO2-undoped, TiO2-N30, TiO2-N60 and TiO2-N90 samples