【摘要】 以钛酸丁酯为前驱体,N, N-二甲基甲酰胺（DMF）为溶剂,冰乙酸为抑制剂,采用溶胶-凝胶法成功制备了稳定的二氧化钛（TiO₂）溶胶,并将其与聚丙烯腈（PAN）的DMF溶液以一定工艺混合,制备成有机/无机杂化薄膜,探索并优化了薄膜的预氧化和炭化工艺,得到炭/TiO₂复合光催化膜,并进一步研究了溶剂、水、载体以及预氧化温度等因素对于成膜工艺的影响。更多还原

【Abstract】 The steady carbon/titanium dioxide（TiO₂）sol was prepared via the sol-gel method with tetrabutyl titanate（Ti（OC₄H₉）₄） as precursor, dimethylfomamide（DMF） as solvent, and glacial acetic acid（CH₃COOH） as negative catalyst. The polyacrylonitrile（PAN）/TiO₂ organic-inorganic film was obtained by mixing the TiO₂ sol and PAN solution（with DMF as solvent） together. Also, the preoxidation and carbonization process of the film are studied, and the carbon/TiO₂ composite photocatalytic membrane was obtained finally. Meanwhile, the influence of the solvent, water, and temperature on the preparation procedure was discussed.更多还原