Figure 1From: Surfactant-Assisted in situ Chemical Etching for the General Synthesis of ZnO Nanotubes Array a SEM image and b XRD pattern of the ZnO nanorods array, inset in a is the high-magnification image of a ZnO nanorod; c SEM image and d XRD pattern of the ZnO nanotubes array, inset in c is the high-magnification image of a ZnO nanotubeBack to article page