Figure 1From: Large-diameter titanium dioxide nanotube arrays as a scattering layer for high-efficiency dye-sensitized solar cellSEM images and schematic of the photoanode. (a) Top and (b) cross-sectional SEM images of LTNAs. (c) Cross-sectional SEM image of the LTNA as a scattering layer on top of TiO2 nanoparticles. (d) Schematic of the photoanode structure with scattered incident light.Back to article page