%0 Journal Article %T The Photocatalytic Property of Nitrogen-Doped TiO2 Nanoball Film %A Haiying Wang %A Yanchun Hu %J International Journal of Photoenergy %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/179427 %U http://dx.doi.org/10.1155/2013/179427