以Cu-Ti合金为基体,采用含H2O2溶液直接氧化法制备Cu掺杂TiO2薄膜,利用扫描电子显微镜(SEM)、能谱仪(EDS)和X射线衍射仪(XRD)对薄膜形貌、化学成分和相组成进行分析.结果表明:所制薄膜通过溶解-沉积机理形成,合金表面先沉积Cu掺杂的非晶态TiO2薄膜,经空气中450℃热处理1h获得Cu掺杂的锐钛矿型晶态TiO2薄膜.含H2O2溶液中需加入一定量聚碳酸酯或聚乙烯乙酸酯,以促进非晶态TiO2在合金表面的沉积.所制薄膜对罗丹明B具有优异的光催化降解作用,在12W紫外光下照射4h后,Cu30Ti70合金表面形成的薄膜对罗丹明B溶液(20mg/L)的降解率达到31.7％.
参考文献
| [1] | Metta Penpolcharoen;Rose Amal;Michael Brungs.Degradation of sucrose and nitrate over titania coated nano-hematite photocatalysts[J].Journal of nanoparticle research: An interdisciplinary forum for nanoscale science and technology,20014(4):289-302. |
| [2] | 祁洪飞;刘大博.TiO2基紫外探测器的制备及退火工艺对光电性能的影响[J].航空材料学报,2012(2):82-86. |
| [3] | 张高洁;吴进明;黄兵;刘少光;严密.纳米TiO2光催化薄膜的自然时效[J].浙江大学学报（工学版）,2008(7):1266-1270. |
| [4] | A. O. Olofinjana;J. M. Bell;A. K. Jamting.Evaluation of the mechanical properties of sol-gel-deposited titania films using ultra-micro-indentation method[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,20002(2):174-179. |
| [5] | Natarajan C.;Nogami G..CATHODIC ELECTRODEPOSITION OF NANOCRYSTALLINE TITANIUM DIOXIDE THIN FILMS[J].Journal of the Electrochemical Society,19965(5):1547-1550. |
| [6] | Subbian Karuppuchamy;Dinesh P.Amalnerkar;Koichi Yamaguchi;Tsukasa Yoshida;Takashi Sugiura;Hideki Minoura.Cathodic Electrodeposition of TiO_2 Thin Films for Dye-Sensitized Photoelectrochemical Applications[J].Chemistry Letters,20011(1):78-79. |
| [7] | 张高洁;吴进明;刘少光;严密.纳米复合结构二氧化钛薄膜的制备及其光降解水中若丹明B的能力[J].硅酸盐学报,2007(4):442-446. |
| [8] | Jin-Ming Wu;Bin Qi.Low-Temperature Growth of a Nitrogen-Doped Titania Nanoflower Film and Its Ability To Assist Photodegradation of Rhodamine B in Water[J].The journal of physical chemistry, C. Nanomaterials and interfaces,20072(2):666-673. |
| [9] | 郑树凯;吴国浩;张俊英;康健楠;王芳;赵瑞;刘素平;刘磊.Sn掺杂锐钛矿TiO2薄膜的光催化活性及其能带结构[J].材料工程,2014(1):70-74. |
| [10] | Hudson W.P. Carvalho;Ana P.L. Batista;Peter Hammer;Teodorico C. Ramalho.Photocatalytic degradation of methylene blue by TiO_2-Cu thin films: Theoretical and experimental study[J].Journal of hazardous materials,20101/3(1/3):273-280. |
| [11] | Junyi Wang;Guangbin Ji;Yousong Liu.Cu2O/TiO2 heterostructure nanotube arrays prepared by an electrodeposition method exhibiting enhanced photocatalytic activity for CO2 reduction to methanol[J].Catalysis Communications,2014:17-21. |
| [12] | Vasile i.Parvulescu;Christopher Hardacre.Catalysis in Ionic Liquids[J].Chemical Reviews,20076(6):2615-2665. |
| [13] | Hu Li;Jia Zhang;Xiaofang Chen.Ionic-liquid-assisted growth of flower-like TiO2 film on Ti substrate with high photocatalytic activity[J].Journal of molecular catalysis, A. Chemical,2013:12-17. |
| [14] | 王正平;陈兴娟;李辰砂.中孔TiO2的制备及光催化降解罗丹明性能的研究[J].材料工程,2005(6):27-30. |
| [15] | 李广忠;张文彦;张健;李亚宁;康新婷;汤慧萍.通过阳极氧化TiFe合金的新方法制备Fe掺杂TiO2纳米管阵列[J].稀有金属材料与工程,2011(9):1510-1513. |
| [16] | Xin, BF;Wang, P;Ding, DD;Liu, J;Ren, ZY;Fu, HG.Effect of surface species on Cu-TiO2 photocatalytic activity[J].Applied Surface Science,20089(9):2569-2574. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%