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在Na2CO3溶液中,采用微弧氧化方法制备了纳米晶TiO2薄膜。利用XRD和SEM分别对氧化膜的相组成和表面形貌进行了分析。结果表明,氧化膜主要含锐钛矿和金红石相TiO2,且表面布满了尺寸在160nm-60nm之间的柱状TiO2晶粒。
In Na2CO3 solution, the nanocrystalline TiO2 film was prepared by micro-arc oxidation. The phase composition and surface morphology of oxide films were analyzed by XRD and SEM respectively. The results show that the oxide film mainly contains anatase and rutile TiO2, and the surface is covered with columnar TiO2 grains with size between 160nm and 60nm.