为了实现氟碳铝单板在太阳光下的自清洁,以钛酸丁酯为钛源、尿素为氮源,采用溶胶凝胶法在氟碳铝单板表面低温制备了N掺杂的TiO2(N-TiO2)薄膜,并制备了纯TiO2薄膜进行比较.采用扫描电镜(SEM)、X射线衍射仪(XRD)、红外光谱仪分析了薄膜的形貌、物相及分子结构;用紫外-可见光分光光度计测定薄膜的紫外-可见光吸收波谱,并在可见光下分析了薄膜对亚甲基蓝溶液的光催化降解性能.结果表明:N掺杂能抑制TiO2由锐钛矿相向金红石相转化,N-TiO2薄膜表面光滑平整,没有孔洞和裂纹,在可见光下表现出了显著的光催化活性.
参考文献
| [1] | 杨景花,余刚,何耀华,杨国良,胡波年.纳米二氧化钛的分散及对氟碳涂料的改性[J].化工进展,2006(07):803-806. |
| [2] | 方奕文,余林,叶飞,孙明.Ag改性TiO2催化剂的制备、表征及其甲苯气相光催化降解性能[J].分子催化,2011(06):569-573. |
| [3] | 杨合,薛向欣,赵娜,左良,杨中东.半导体多相光催化技术研究进展[J].环境保护,2003(06):22-23,54. |
| [4] | Ronnen L;Paul B;Hashem A .Solar apectral optical properties of pigments - Part I:Model for deriving scattering and absorption coefficients from transmittance and reflectance measurements[J].Solar Energy Materials and Solar Cells,2005,8(04):319-349. |
| [5] | Tong T Z;Zhang J L;Tian B Z et al.Preparation of Fe3+-doped TiO2 catalysts by controlled hydrolysis of titanium alkoxide and study on their photocatalytic activity for menthyl orange degradation[J].Journal of Hazardous Materials,2008,55(01):572-579. |
| [6] | 鄂磊,徐明霞.贵金属修饰型TiO2 的催化活性及Fermi能级对其光催化性能的影响[J].硅酸盐学报,2004(12):1538-1541. |
| [7] | 敏世雄,彭晓霞,佘世雄,佟永纯,白洁,苏碧桃.过渡金属离子掺杂对TiO2纳米尺寸及其相结构的影响[J].化工新型材料,2006(03):46-48. |
| [8] | Yang XX;Cao CD;Erickson L;Hohn K;Maghirang R;Klabunde K .Synthesis of visible-light-active TiO2-based photocatalysts by carbon and nitrogen doping[J].Journal of Catalysis,2008(1):128-133. |
| [9] | Clemens Burda;Yongbing Lou;Xiaobo Chen;Anna C. S. Samia;John Stout;James L. Gole .Enhanced Nitrogen Doping in TiO_2 Nanoparticles[J].Nano letters,2003(8):1049-1051. |
| [10] | 赵宏生,胡红坡,张凯红,李自强.氮掺杂二氧化钛薄膜的制备与光催化性能[J].稀有金属材料与工程,2009(10):1815-1817. |
| [11] | Wei Zhao;Wanhong Ma;Chuncheng Chen;Jincai Zhao;Zhigang Shuai .Efficient Degradation of Toxic Organic Pollutants with Ni_2O_3/TiO_(2-x)B_x under Visible Irradiation[J].Journal of the American Chemical Society,2004(15):4782-4783. |
| [12] | Shanmugasundaram Sakthivel;Horst Kisch .Daylight Photocatalysis by Carbon-Modified Titanium Dioxide[J].Angewandte Chemie,2003(40):4908-4911. |
| [13] | Asahi R;Morikaw T;Ohwaki T et al.Visble-light photocatalysis in nitrogen-doped titanium oxides[J].SCIENCE,2001,293:269-271. |
| [14] | Ying Yu;Hai-Hong Wu;Bao-Lin Zhu .Preparation, Characterization and Photocatalytic Activities of F-doped TiO2Nanotubes[J].Catalysis Letters,2008(1/2):165-171. |
| [15] | Yu JC;Ho WK;Yu JG;Yip H;Wong PK;Zhao JC .Efficient visible-light-induced photocatalytic disinfection on sulfur-doped nanocrystalline titania[J].Environmental Science & Technology: ES&T,2005(4):1175-1179. |
| [16] | 艾凡荣,李勇,闫洪.氟碳铝板表面溶胶-凝胶法低温制备TiO2纳米膜聚乙二醇对膜性能的影响[J].材料保护,2012(12):22-23,32. |
| [17] | 陈琦丽,唐超群,肖循.TiO2纳米微粒的溶胶-凝胶法制备及XRD分析[J].材料科学与工程,2002(02):224-226. |
| [18] | 何志平,卢丹丽,徐晓勇.反应温度对氮掺杂TiO2光催化剂活性影响研究[J].中国陶瓷,2009(05):13-15. |
| [19] | 黄涛;张国亮;王玲 等.以尿素为氮源制备改性二氧化钛及其改性机理[J].催化学报,2011,32(03):509-512. |
| [20] | Asahi R;Morikawa T;Ohwaki T et al.Visible-light photocatalysis in nitrogen-doped titanium oxides[J].SCIENCE,2001,293(5 528):269-271. |
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%