The influence of the preparation parameters on the size and the crystalline phase of the TiO_2 crystallite were studied by means of X-ray diffraction(XRD) technique,SEM,TEM and BET.

• 结合XRD、TEM、BET等表征手段,研究了纳米TiO2的制备参数与其晶粒尺寸和晶相结构之间的关系。