%0 journal article %@ 1359-7345 %A Yang, M., Kim, D., Jha, H., Lee, K., Paul, J., Schmuki, P. %D 2011 %J Chemical Communications : ChemComm %N 7 %P 2032-2034 %R doi:10.1039/C0CC04993J %T Nb doping of TiO2 nanotubes for an enhanced efficiency of dye-sensitized solar cells %U https://doi.org/10.1039/C0CC04993J 7 %X Nb-doped TiO2 nanotube (with CNb < 1 wt%) layers were successfully fabricated by self-ordered electrochemical anodization of Ti–Nb alloys. When used in dye-sensitized solar cells the efficiency enhanced by up to 30% compared to non-doped TiO2 nanotubes. IMVS measurements indicate the beneficial effect to be due to lower recombination losses.