采用溶胶-凝胶法制备了Fe掺杂的TiO2薄膜,利用X射线光电子能谱、X射线衍射技术、显微共聚焦拉曼光谱、紫外可见光谱和原子力显微镜等对薄膜进行表征,以甲基橙为反应模型对光催化活性进行测试.结果表明,在300 ～600℃焙烧时,TiO2以锐钛矿结构存在,700℃焙烧时出现金红石结构.随掺铁量和焙烧温度的增加,Fe/TiO2薄膜的表面粗糙度和晶粒尺寸均逐渐增大；随镀膜层数的增加,Fe/TiO2薄膜光谱吸收向可见光方向移动;较低含量的铁掺杂改善了TiO2薄膜的光催化活性,而较高含量的铁掺杂则使TiO2薄膜的光催化活性下降,掺铁量为0.1％时Fe/TiO2薄膜的光催化活性最好.
参考文献
| [1] | ZHENG Huaili,ZHANG Junhua,LI Hong,et al.Preparation of Fe3+-Doped TiO2 Nanometer Thin Film and Study on Its Photocatalytic Performances[J].Spectrosc Spectr Anal,2005,25 (12):2065-2069 (in Chinese).郑怀礼,张峻华,李宏,等.掺铁TiO2纳米薄膜的制备及光催化性能研究[J].光谱学与光谱分析,2005,25(12):2065-2069. |
| [2] | FU Honggang,WANG Jianqiang,REN Zhiyu,et al.Structure Influence of Fe3+ Doped TiO2/SiO2 Film on the Photocatalytic Properties[J].Chem J Chinese Univ,2003,24:1671-1674(in Chinese).付宏刚,王建强,任志宇,等.Fe3+-TiO2/SiO2薄膜催化剂的结构对其光催化性能的影响[J].高等学校化学学报,2003,24:1671-1674. |
| [3] | HE Shuhang,ZHU Lei,DING Quanjun.Preparation and Antibacteria Property of Metal-Doping TiO2 Composite Thin Films[J].Environ Sci Technol,2009,22 (6):35-38(in Chinese).何树杭,朱磊,丁泉军.金属掺杂纳米TiO2薄膜的制备和抗菌性能研究[J].环境科技,2009,22(6):35-38. |
| [4] | SHEN Shufang,LIU Xiuqin,XU Chengtian,et al.Preparation and Superhydrophilicity of Sr2+ Doped TiO2 Films[J].Chinese J Appl Chem,2010,27(1):74-77(in Chinese).申树芳,刘秀芹,徐承天,等.掺杂Sr2+的TiO2薄膜的制备及超亲水性[J].应用化学,2010,27(1):74-77. |
| [5] | Seong-il Yoon,In-Gyung Jung,Misook Kang.Characterization of Metal (Ba,Al,Si,V,and W)-incorporzted TiO2 and Toluene Photodecomposition in Presence of H2O[J].Korean J Chem Eng,2007,24 (6):965-974. |
| [6] | Miyauchi M,Nakajima A,Hashimoto K,et al.Highly Hydrophilic Thin Film under 1 μW/cm2 UV Illumination[J].Adv Mater,2000,12(24):1923-1927. |
| [7] | Sun R D,Nakajima A,Sakai N,et al.Photoinduced Surface Wettability Conversion of ZnO and TiO2 Thin Films[J].J Phys Chem B,2001,105(10):1984-1990. |
| [8] | Cameiro J O,Teixeira V,Portinha A,et al.Iron-Doped Photocatalytic TiO2 Sputtered Coatings on Plastics for Self-Cleaning Applications[J].Mater Sci Eng B,2007,138(2):144-150. |
| [9] | LIU Guoguang,ZHANG Xuezhi,XU Yajie,et al.Effect of Fe3 +,Zn2 + and ZnFe2O4 Doping on the Photocatalytic Activities of TiO2 Nanoparticles for Degradation of Rhodamine B[J].Environ Eng,2003,21 (2):72-74(in Chinese).刘国光,张学治,许亚杰,等.铁,锌,铁酸锌掺杂对纳米级二氧化钛光催化降解罗丹B活性的影响[J].环境工程,2003,21(2):72-74. |
| [10] | Yu J G,Zhou M H,Yu H G.Enhanced Photoinduced Super-hydrophilicity of the Sol-Gel-Derived TiO2 Thin Films by Fedoping[J].Mater Chem Phys,2006,95(2/3):193-196. |
| [11] | Wu X H,Wei Q,Jiang Z H.Influence of Fe3 + Ions on the Photocatalytic Activity of TiO2 Films Prepared by Micro-Plasma Oxidation Method[J].Thin Solid Films,2006,496 (2):288-292. |
| [12] | Liao S J,Huang D G,Yu D H,et al.Preparation and Characterization of ZnO/TiO2,SO42-/ZnO/TiO2 Photocatalyst and Their Photocatalysis[J].J Photochem Photobiol:A,2004,168(1/2):7-13. |
| [13] | Hong W J,Kang M.The Super-Hydrophilicities of Bi-TiO2,V-TiO2 and Bi-V-TiO2 Nano-sized Particles and Their Benzene Photodecompositions with H2O Addition[J].Mater Lett,2006,60 (9/10):1296-1305. |
| [14] | QI Ri,RONG Yonghua.X-ray Diffraction and Electron Microscope Analysis[M].Shanghai:Shanghai Jiaotong University Press,1997:46-47(in Chinese).漆睿,戎泳华.X射线衍射与电子显微镜分析[M]上海:上海交通大学出版社,1997:46-47. |
| [15] | CHEN Zhijun,FANG Shaoming.Application of the Modern Testing Technology in Polymer Research[M].Chengdu:Chengdu University of Science and Technology Press,1998:55-56(in Chinese).陈志军,方少明.近代测试技术在高分子研究中的应用[M].成都:成都科技大学出版社,1998:55-56. |
| [16] | LIU Xiuhua,HE Xiaobo,FU Yibei.Effects of Doping Cobalt on the Structures and Performances of TiO2 Photocatalyst[J].Acta Chim Sinica,2008,66(14):1725-1730(in Chinese).刘秀华,何小波,傅依备.Co掺杂对TiO2光催化剂结构与性能的影响[J].化学学报,2008,66(14):1725-1730. |
| [17] | LIU Xiuhua.Study of Metal Ion Doped and Modification TiO2 Photocatalyst[D].China Academy of Engineering Physics,2007:44-45 (in Chinese).刘秀华.金属离子掺杂二氧化钛光催化剂的改性研究[D].中国工程物理研究院,2007:44-45. |
| [18] | Yu J C,Ho W,Lin J,et al.Photocatalytic Activity,Antibacterial Effect,and Photoinduced Hydrophilicity of TiO2 Films Coated on a Stainless Steel Substrate[J].Environ Sci Technol,2003,37(10):2296-2301. |
| [19] | Choi W,Termin A,Hoffmann M R.The Role of Metal-Ion Dopants in Quantum-Sized TiO2:Correlation Between Photoreactivity and Charge-Carrier Recombination Dynamics[J].J Phys Chem,1994,98 (51):13669-13679. |
| [20] | Dhananjeyan M,Kiwi J,Thampi K R.Photocatalytic Performance of TiO2 and Fe2O3 Immobilized on Derivatized Polymer Films for Mine Rali-Sation of Pollutants[J].Chem Commun,2000,29(15):1443-1444. |
| [21] | LI Junhua,FU Huijing,FU Lixin,et al.Preparation of Metallic Ion-Doped TiO2 Thin Films and Their Photocatalytic Performance for Toluene Degradation[J].Chinese J Catal,2005,26(6):503-507(in Chinese).李俊华,傅慧静,傅立新,等.金属离子掺杂的TiO2薄膜的制备及其光催化降解甲苯的性能[J].催化学报,2005,26(6):503-507. |
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