%0 Journal Article %T Synthesis, Characterization, and Photocatalytic Activity of N-Doped ZnO/ZnS Composites %A Hongchao Ma %A Xiaohong Cheng %A Chun Ma %A Xiaoli Dong %J International Journal of Photoenergy %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/625024 %U http://dx.doi.org/10.1155/2013/625024