以膨胀珍珠岩为载体,TiOSO4为钛源,采用均匀沉淀法制备了纳米TiO2/膨胀珍珠岩复合材料,通过XRD、SEM和FT-IR对复合材料的TiO2晶体结构、表面性质和形貌进行分析表征.研究了煅烧温度和煅烧时间对复合材料中TiO2结晶和光催化性能的影响.结果显示在550℃下煅烧2h时,复合材料的光催化性能最高,此时TiO2为锐钛矿,晶粒尺寸为11.93 nm,对罗丹明溶液的降解率达到95％以上.复合材料具有良好的再生重复使用性能,经5次回收再利用后仍表现较高的光催化性能.
参考文献
| [1] | 廖振华,陈建军,姚可夫,赵方辉,李荣先.纳米TiO2光催化剂负载化的研究进展[J].无机材料学报,2004(01):17-24. |
| [2] | 吕霞,彭同江,孙红娟,古朝建.TiO2/蒙脱石复合物中纳米TiO2的相变与光催化性能[J].人工晶体学报,2013(02):290-298. |
| [3] | 范晓远,鲍锦磊.漂浮型纳米TiO2/EP的制备及其光催化性能[J].硅酸盐通报,2013(08):1631-1634,1639. |
| [4] | Mohammad Hossein Habibi;Mahmoud Zendehdel .Synthesis and Characterization of Titania Nanoparticles on the Surface of Microporous Perlite Using Sol-Gel Method:Influence of Titania Precursor on Characteristics[J].Journal of inorganic and organometallic polymers and materials,2011(3):634-639. |
| [5] | 卢芳慧,桂经亚,宋兵,金宝成,郑水林.纳米-TiO2/膨胀珍珠岩复合光催化材料的制备与表征[J].硅酸盐通报,2013(04):754-757. |
| [6] | 杨阳,陈爱平,古宏晨,戴智铭,古政荣,陶咏.以膨胀珍珠岩为载体的漂浮型TiO2光催化剂降解水面浮油[J].催化学报,2001(02):177-180. |
| [7] | 魏绍东,王玉倩.以硫酸氧钛为原料制备纳米二氧化钛[J].无机盐工业,2006(02):6-9. |
| [8] | 刘超,郑水林,宋贝,王彤彤.纳米TiO2/蛋白土复合材料的制备与表征[J].人工晶体学报,2013(04):695-700. |
| [9] | 王利剑,郑水林,田文杰.载体对TiO2/硅藻土中TiO2相变及晶粒生长的影响[J].硅酸盐学报,2008(11):1644-1648. |
| [10] | 吕霞,彭同江,孙红娟,古朝建.TiO2/蒙脱石复合物中纳米TiO2的相变与光催化性能[J].人工晶体学报,2013(02):290-298. |
| [11] | 余家国,赵修建,韩建军,石柱铭.TiO2/SiO2复合薄膜的晶型和晶粒尺寸研究[J].硅酸盐学报,2001(03):286-290. |
| [12] | Keita Takahashi;Hiroharu Yui .Analysis of Surface OH Groups on TiO2 Single Crystal with Polarization Modulation Infrared External Reflection Spectroscopy[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2009(47):20322-20327. |
| [13] | Bin Ding;Hakyong Kim;Chulki Kim .Morphology and crystalline phase study of electrospun TiO_2-SiO_2 nanofibres[J].Nanotechnology,2003(5):532-537. |
| [14] | Chunyan Song;Wujiang Yu;Bin Zhao .Efficient fabrication and photocatalytic properties of TiO2 hollow spheres[J].Catalysis Communications,2009(5):650-654. |
| [15] | Jia-Guo Yu;Huo-Gen Yu;Bei Cheng;Xiu-Jian Zhao;Jimmy C. Yu;Wing-Kei Ho .The Effect of Calcination Temperature on the Surface Microstructure and Photocatalytic Activity of TiO_2 Thin Films Prepared by Liquid Phase Deposition[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2003(50):13871-13879. |
| [16] | Ning Xiao;Zhonghua Li;Jiawen Liu;Yuan Gao .Effects of calcination temperature on the morphology, structure and photocatalytic activity of titanate nanotube thin films[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2010(1):541-548. |
| [17] | Seo HK;Kim GS;Ansari SG;Kim YS;Shin HS;Shim KH;Suh EK .A study on the structure/phase transformation of titanate nanotubes synthesized at various hydrothermal temperatures[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2008(11):1533-1539. |
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