采用对喷静电纺丝法制备了PVP/TiO2/TPEE/Zn(CH3COO)2纳米纤维,分别在500℃、550℃、600℃、650℃和700℃煅烧5h,得到不同煅烧温度下的TiO2/ZnTiO3复合纳米纤维光催化剂,利用热重-差热分析法(TG-DTA)、扫描电子显微镜(SEM)、X射线衍射仪(XRD)对样品进行了表征,并研究了该催化剂在300W的紫外灯下催化亚甲基蓝(MB)降解的活性.结果表明,当煅烧温度为550℃时,TiO2/ZnTiO3复合纳米纤维催化剂的光催化活性最高.
参考文献
| [1] | Li Heping;Zhang Wei et al.Diameter-dependent photocatalytic activity of electrospun TiO2 nanofiber[J].Journal of the American Ceramic Society,2010,93(09):2503. |
| [2] | Jumi Yun;Donghwee Jin;Young-Seak Lee;Hyung-Il Kim .Photocatalytic treatment of acidic waste water by electrospun composite nanofibers of pH-sensitive hydrogel and TiO_2[J].Materials Letters,2010(22):2431-2434. |
| [3] | Haiqing Liu;Jinxia Yang;Jianhe Liang .ZnO Nanofiber and Nanoparticle Synthesized Through Electrospinning and Their Photocatalytic Activity Under Visible Light[J].Journal of the American Ceramic Society,2008(4):1287-1291. |
| [4] | 桑蓉栎,崔志敏,王琳,邵长路.NiO/TiO2纳米纤维的制备、表征及光催化性能[J].科学通报,2009(10):1424-1428. |
| [5] | 潘超,顾忠泽,董丽.真空离子溅射法制备TiO2：Au复合纳米纤维新型光催化剂及其降解乙醛性能研究[J].化学学报,2009(17):1981-1986. |
| [6] | Baolin Zhu;Kairong Li;Jian Zhou .The preparation of palladium-modified TiO2 nanofibers and their photocatalytic performance[J].Catalysis Communications,2008(14):2323-2326. |
| [7] | Zhang, Z.;Shao, C.;Zhang, L.;Li, X.;Liu, Y. .Electrospun nanofibers of V-doped TiO_2 with high photocatalytic activity[J].Journal of Colloid and Interface Science,2010(1):57-62. |
| [8] | Wang Fengchieh;Liu Chunhsuan et al.Effect of Pt loading order on photocatalytic activity of Pt/TiO2 nanofiber in generation of H2 from neat ethanol[J].Journal of Physical Chemistry C,2009,113(31):13832. |
| [9] | Xin Du;Junhui He;Yingqiang Zhao .Facile Preparation of F and N Codoped Pinecone-Like Titania Hollow Microparticles with Visible Light Photocatalytic Activity[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2009(32):14151-14158. |
| [10] | Xiaofei Zhao;Lei Wang;Xin Xu .Fabrication and Photocatalytic Properties of Novel ZnO/ZnAl2O4 Nanocomposite with ZnAl2O4 Dispersed Inside ZnO Network[J].AIChE Journal,2012(2):573-582. |
| [11] | jiawei Ng;Shiping Xu;Xiwang Zhang;Hui Ying Yang;Darren D. Sun .Hybridized Nanowires and Cubes: A Novel Architecture of a Heterojunctioned TiO_2/SrTiO_3 Thin Film for Efficient Water Splitting[J].Advanced functional materials,2010(24):4287-4294. |
| [12] | Liqiang Jing;Yichun Qu;Haijiao Su .Synthesis of High-Activity TiO2-Based Photocatalysts by Compounding a Small Amount of Porous Nanosized LaFeO3 and the Activity-Enhanced Mechanisms[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2011(25):12375-12380. |
| [13] | 徐国荣 .纳米纤维材料在去除水中有机污染物中的应用[D].北京服装学院,2010. |
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%