Zou CW, Rao YF, Alyamani A, Chu W, Chen MJ, Patterson DA, Emanuelsson EAC, Gao W. Heterogeneous Lollipop-like V2O5/ZnO Array: A Promising Composite Nanostructure for Visible Light Photocatalysis. Langmuir. 2010 Jun 21;26(14):11615–20. doi: 10.1021/la101324e.