摘要
选用TA1钛合金,运用微等离子体氧化技术在其表面原位生长TiO2薄膜.在(Na3PO4-Na2B4O7)电解液体系中,采用XRD、SEM对钛合金表面成膜的微观结构进行测试研究,结果表明:当配比为4:1,成膜时间60min,电流密度10A/dm2条件下制得的薄膜,该膜层中TiO2主要为锐钛矿晶型,膜层均匀,表面粗糙多孔,孔洞大小适中;同时,在电解液中掺杂一定浓度的Fe3+、Si4+离子,当掺杂量分别为0 1～0 2g/L、0 5～1 0g/L条件下制备的薄膜,用于光催化氧化降解水中的罗丹明B,可以提高其光催化活性.
The TiO_2 ceramic film can grow in original position by using micro-plasma oxidation on TA1 alloy. The effect of surface film at (Na_3PO_4-Na_2B_4O_7) electrolyte solution was studied. The morphology and phase composition of film were analyzed by SEM and XRD. The results indicate that TiO_2 ceramic film is mainly composed of anatase with 4:1 proportion and current density of 10A/dm^2in 60 minutes, and the film is uniformity, there are many cavities on its surface. At the same time, it shows a high photocatalytic activity in degradation of Rhodamine B by doped Fe^(3+)?Si^(4+) in the electrolyte solution.
出处
《材料科学与工艺》
EI
CAS
CSCD
2004年第1期95-98,共4页
Materials Science and Technology
基金
哈尔滨工业大学校基金资助项目(HIT.2001.56)
