采用反胶束和液相沉积法制备了一种可磁分离的复合光催化剂纳米球TiO2@SiO2@NiFe2O4,并运用X射线衍射和透射电镜对样品进行了表征.结果表明,NiFe2O4纳米粒子被包裹在SiO2内形成磁性SiO2@NiFe2O4纳米球载体,纳米TiO2粒子沉积于其表面,形成TiO2光催化壳层.光降解实验结果表明,当沉积液中硼酸与六氟钛酸铵的摩尔比为4,焙烧温度为300℃时,制备的纳米球催化剂表现出最佳的光催化活性.
参考文献
[1] | Hoffmann M R;Martin S T;Choi W Y;Bahnemann D W .[J].CHEMICAL REVIEWS,1995,95:69. |
[2] | Zhao J C;Wu T X;WuK Q;Oikawa K Hidaka H SerponeN .[J].Environmental Science and Technology,1998,32:2394. |
[3] | 全学军,程治良,杨露,项锦欣,赵清华.多层光源内置式气-液-固循环流化床光催化降解双酚A[J].环境科学学报,2011(06):1233-1240. |
[4] | Qi N N;Zhang H;Jin B;Zhang K .[J].CHEMICAL ENGINEERING JOURNAL,2011,172:84. |
[5] | Thiruvenkatachari R;Vigneswaran S;Moon I S .[J].Korean Journal of Chemical Engineering,2008,25:64. |
[6] | 郑昭科,黄柏标,秦晓燕,张晓阳.玻璃微珠/Ag/TiO_2可见光催化剂的制备与表征[J].无机化学学报,2009(11):1898-1902. |
[7] | 孙颖,刘浪,贾殿赠,刘锦昊.蛭石负载TiO2光催化剂的制备与性能[J].无机化学学报,2011(01):40-46. |
[8] | 肖江蓉,彭天右,周胜银,曾鹏.CdS-TiO2/累托石复合材料的制备及光催化性能[J].高等学校化学学报,2011(12):2823-2827. |
[9] | 孙红娟,刘颖,彭同江,胡傲厚.TiO2/蒙脱石纳米复合物中TiO2的结构相变[J].无机化学学报,2011(03):403-408. |
[10] | Mahmoodi N M;Arami M;Zhang J .[J].Journal of Alloys and Compounds,2011,509:4754. |
[11] | Xuan Sh H;Jiang W Q;Gong X L;Hu Y Chen Z Y .[J].J Phys Chem C,2009,113:553. |
[12] | Chen F;Xie Y D;Zhao J C;Lu G X .[J].CHEMOSPHERE,2001,44:1159. |
[13] | Chen, J.S.;Chen, C.;Liu, J.;Xu, R.;Qiao, S.Z.;Lou, X.W. .Ellipsoidal hollow nanostructures assembled from anatase TiO_2 nanosheets as a magnetically separable photocatalyst[J].Chemical communications,2011(9):2631-2633. |
[14] | Lee SW;Drwiega J;Mazyck D;Wu CY;Sigmund WM .Synthesis and characterization of hard magnetic composite photocatalyst - Barium ferrite/silica/titania[J].Materials Chemistry and Physics,2006(2/3):483-488. |
[15] | Xu Sh H;Shangguan W F;Yuan J;Chen M X Shi J W .[J].Applied Catalysis B:Environmental,2007,71:177. |
[16] | Xu Sh H;Shangguan W F;Yuan J;Shi J W Chen M X .[J].SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS,2007,8:40. |
[17] | 许士洪,冯道伦,上官文峰,李登新.可磁分离的氮掺杂二氧化钛光催化剂的制备及光催化性能[J].高等学校化学学报,2008(06):1205-1210. |
[18] | Xu Sh H;Shangguan W F;Yuan J;Chen M X Shi J W .[J].Chinese Journal of Chemical Engineering,2007,15:190. |
[19] | Xu Sh H;Shangguan W F;Yuan J;Chen M X Shi J W Jiang Zh .[J].NANOTECHNOLOGY,2008,19:095606. |
[20] | 县涛,杨华,戴剑锋,魏智强,马金元,冯旺军.粒径可控的纳米铁酸铋的制备及其光催化性能[J].催化学报,2011(04):618-623. |
[21] | Yu J G;Yu H G;Cheng B;Zhao X J Yu J C Ho W K .[J].Journal of Physical Chemistry B,2003,107:13871. |
[22] | Xu Sh H;Shangguan W F;Yuan J;Shi J W Chen M X .[J].MATERIALS SCIENCE & ENGINEERING B,2007,137:108. |
[23] | 陈艳敏,钟晶,陈锋,张金龙.氟掺杂纳米TiO_2薄膜的低温制备及其光催化性能[J].催化学报,2010(01):120-125. |
[24] | Chen Sh F;Yang Y G;Liu W .[J].Journal of Hazardous Materials,2011,186:1560. |
[25] | 聂龙辉,黄征青,徐洪涛,张旺喜,杨柏蕊,方磊,李帅华.Ag@AgBr光催化剂的制备及其可见光催化降解亚甲基蓝反应性能[J].催化学报,2012(07):1209-1216. |
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%