TiO2纳米管降解罗丹明B OA

TiO2 nanotubes precursor were prepared by the sol-gel process, then TiO2 nanotubes were prepared through precursor in hot NaOH alkaline solution. The TiO2 nanotubes were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The performance of UV-light degradation of Rhodamine B was studied by TiO2 nanotubes as catalyst. The results show that the product of TiO2 nanotubes have obvious characteristics of nano-tube with diameter 15-20 nm, wall thickness about 1 nm, tube length 100- 200 nm, and grow well. TiO2 nanotubes have a good degradation performance on Rhodamine B, in 20 g/L Rhodamine B solution by adding 2 g/L TiO2 nanotubes, 0.1 g/L H2O2, with pH of solutions 2.5, the degradation efficiency can reach 89. 65％ in 4h.