%0 Journal Article %T Gas-Supported High-Photoactivity TiO2 Nanotubes %A Sheng Wang %A Tao Wang %A Yuanwei Ding %A Youfeng Xu %J Journal of Nanomaterials %D 2012 %I Hindawi Publishing Corporation %R 10.1155/2012/909473 %U http://dx.doi.org/10.1155/2012/909473