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以钛酸丁酯Ti(OC_4H_9)_4、冰醋酸、去离子水和聚乙二醇(PEG)1000为原料,采用溶胶-凝胶法和旋转涂膜工艺,在玻璃衬底上制备出锐钛矿型TiO_2纳米棒。利用X射线衍射仪(XRD)、SEM和紫外可见光谱(UV/Vis)对TiO_2纳米棒薄膜进行了表征。结果表明,实验制备的TiO_2纳米棒为锐钛矿晶型,在TiO_2反应体系中,胶体粒子在加热过程中偶联在一起,1h后形成了TiO_2纳米棒,其直径为30～50nm,长度为100～200nm。同时,在42mL钛的胶体溶液中添加0.30g PEG(1000)后,纳米TiO_2薄膜的可见光透射峰值降低,TiO_2薄膜表面孔径为20～50nm。
Ti (OC_4H_9) _4, glacial acetic acid, deionized water and polyethylene glycol (PEG) 1000 were prepared by sol-gel method and spin-coating technique on anatase Minerals TiO 2 nanorods. The TiO 2 nanorods films were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and UV / Vis spectroscopy. The results show that the TiO 2 nanorods prepared in the experiment are anatase crystal forms. In the TiO 2 reaction system, the colloidal particles are coupled together during the heating process. After 1 h, the TiO 2 nanorods are formed with the diameter of 30-50 nm and the length of 100 ~ 200nm. Meanwhile, the addition of 0.30g PEG (1000) in 42mL titanium colloid solution reduced the visible light transmission peak of the nano-TiO_2 film, and the pore diameter of the TiO_2 film was 20-50nm.