Photocatalytic properties of rare earth La3+ ion modified Nano-TiO2-xFx
MA Xiaoyan, ZHANG Rongxiang, LI Ling，ZHAO Xiaohui
Journal of Hebei University (Natural Science Edition) . 2015, (2): 122 -127 .  DOI: 10.3969/j.issn.1000-1565.2015.02.003