LUO Hua-Ming, LIU Zhi-Yong, BAI Chuan-Yi, LU Yu-Ming, CAI Chuan-Bing
图1 不同阳极氧化时间制备的TiO 2 纳米管的SEM照片 Fig. 1 SEM images of TiO 2 nanotubes prepared for different anodic oxidation time a Top view of the TiO 2 nanotubes; b-d are cross-sectional images of TiO 2 nanotubes. The anodic oxidation time of TiO 2 nanotubes on 1.5, 2 and 3 h, respectively