Figure 1From: Preparation, characterization, and application of titanium nano-tube array in dye-sensitized solar cellsProcedures for post-treatment of annealed TNA. Fabrication flow chart of TNA-TiCl4 and TNA-TnB. TNA, TiO2 nano-tube array; DI-water, deionized water; XRD, X-ray diffraction; SEM, scanning electron microscopy.Back to article page