采用Sol-Gel法制备5％(原子分数)银掺杂二氧化钛溶胶,并采用浸渍提拉法将其涂覆于氧化锆表面.利用X射线衍射(XRD)、扫描电镜(SEM)等研究手段测试薄膜性能,采用抑菌圈实验和MTT实验评价其抗菌性和细胞毒性.结果表明:采用浸渍提拉法可在氧化锆表面制备一层均匀的Ag-TiO2薄膜,薄膜表面可见散在分布的Ag颗粒;经500℃煅烧后为锐钛矿TiO2,Ag掺杂可抑制TiO2晶粒的生长,并增加了TiO2薄膜的光催化活性;该薄膜在无光照条件下具有良好的抗菌性能,抑菌距离达到4.5mm左右;细胞毒性为Ⅰ级,符合口腔生物材料的应用标准.
参考文献
| [1] | Isabelle Denry;J.Robert Kelly .State of the art of zirconia for dental applications[J].Dental materials,2008(3):299-307. |
| [2] | Glauser R;Sailer I;Wohlwend A;Studer S;Schibli M;Scharer P .Experimental zirconia abutments for implant-supported single-tooth restorations in esthetically demanding regions: 4-year results of a prospective clinical study.[J].The International journal of prosthodontics,2004(3):285-290. |
| [3] | 张晟,麦理想,柳大烈,章锦才.纳米Ag/TiO2涂层托槽的研制及力学性能☆[J].中国组织工程研究,2012(38):7047-7052. |
| [4] | Shih-Fu Ou;Mao-Suan Huang;Shi-Yung Chiou .Research of antibacterial activity on silver containing yttria-stabilized-zirconia bioceramic[J].CERAMICS INTERNATIONAL,2013(4):3591-3596. |
| [5] | Page K;Palgrave RG;Parkin IP;Wilson M;Savin SLP;Chadwick AV .Titania and silver-titania composite films on glass-potent antimicrobial coatings[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2007(1):95-104. |
| [6] | 朱型广,赵康,罗德福,马楚凡,曹猛.钛合金表面TiO2-FHA-HA梯度生物陶瓷涂层的制备[J].硅酸盐通报,2007(04):812-815. |
| [7] | 于杰,陈敬超,杜晔平,冯晶.抗菌不锈钢的研究进展[J].材料导报,2008(12):48-51,55. |
| [8] | 申乾宏,杨辉,高基伟.具有稳定可见光催化活性TiO2薄膜的常温制备[J].无机化学学报,2007(10):1758-1762. |
| [9] | S-Q SUN;B SUN;WENQIN ZHANG .Preparation and antibacterial activity of Ag-TiO_2 composite film by liquid phase deposition (LPD) method[J].Bulletin of Materials Science,2008(1):61-66. |
| [10] | 许第发,林中信,游洋,张向超,曹盈.Ag-TiO2负载玻璃纤维的制备及其光催化活性[J].材料导报,2012(24):66-69,88. |
| [11] | 刘秀华 .金属离子掺杂二氧化钛光催化剂的改性研究[D].绵阳:中国工程物理研究院,2007. |
| [12] | Xin BF;Ren ZY;Hu HY;Zhang XY;Dong CL;Shi KY;Jing LQ;Fu HG .Photocatalytic activity and interfacial carrier transfer of Ag-TiO2 nanoparticle films[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2005(5):2050-2055. |
| [13] | 黎胜;申乾宏;宗建娟 等.Ag-TiO2复合薄膜的低温制备及其性能[J].稀有金属材料与工程,2010,39(z2):253. |
| [14] | Liu Y;Wang X;Yang F et al.Excellent antimicrobial properties of mesoporous anatase TiO2 and Ag/TiO2 composite films[J].Microporous and Mesoporous Materials,2008,114(1-3):431. |
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