LI Jing-wei;FU Min;DONG Fan;LIAO Jia-zheng;BIAN Ji;LI Hong-mei;LIU Hong-yan. Preparation of N-doped Nano-TiO2 Photocatalyst Using Metatitanic Acid and Photocatalytic Performance under Visible Light Irradiation[J]. Journal of Synthetic Crystals, 2014, 43(4): 972-979.