Figure 1From: The heterojunction effects of TiO2 nanotubes fabricated by atomic layer deposition on photocarrier transportation directionCross-sectional SEM and TEM images and plan view of nanotube arrays. Top image, cross-sectional SEM image showing the fabricated TiO2 nanotubes with an ITO electrode on the top surface. Center image, plan view TEM images of TiO2 nanotube arrays. Bottom image, cross-sectional TEM images for the TiO2 nanotube arrays.Back to article page