Z. J. Huang, P. X. Wu, Y. H. Lu, X. R. Wang, N. W. Zhu and Z. Dang. Enhancement of photocatalytic degradation of dimethyl phthalate with nano-TiO2 immobilized onto hydrophobic layered double hydroxides: A mechanism study. Journal of Hazardous Materials, 2013, 15: 70-78.