本文以五水硝酸铋和氯化钾为原料,利用水热法一步制备了Bi2O3/BiOCl异质复合光催化材料,采用X射线粉末衍射(XRD)、扫描电镜(SEM)和紫外可见漫反射光谱(UV-Vis)对样品进行了表征.以罗丹明B为目标降解物,研究n(Bi) /n(Cl)摩尔比对合成Bi2O3/BiOCl异质复合光催化剂的形貌和光催化性能的影响.结果表明:随着n(Bi)/n(Cl)摩尔比的增加,Bi2O3/BiOCl的光催化活性显著增强,在n(Bi)/n(Cl)=1.75时,制备的Bi2O3/BiOCl异质复合光催化材料具有最高的光催化活性.
参考文献
| [1] | A.Fujishima;K.Honda .Electronchemical photolysis of water at semiconductoreletrode[J].NATURE,1972,238:37-38. |
| [2] | K.S.Novoselov;A.K.Geim;S.V.Morozov et al.Electric field effect in atomically thin carbon films[J].SCIENCE,2004,306:666-669. |
| [3] | 邢光建,李钰梅,赵铮,王怡,武光明.不同形貌的钨酸铋纳米材料的制备及其光催化性能[J].人工晶体学报,2010(05):1265-1271. |
| [4] | 余长林,杨凯,余济美,彭鹏,操芳芳,李鑫,周晓春.稀土Ce掺杂对ZnO结构和光催化性能的影响[J].物理化学学报,2011(02):505-512. |
| [5] | 余长林,杨凯,舒庆,YU Jimmy C,操芳芳,李鑫.WO3/ZnO复合光催化剂的制备及其光催化性能[J].催化学报,2011(04):555-565. |
| [6] | 朱林,曹立新,苏革,柳伟,刘辉,宋亮.稀土Gd3+掺杂TiO2纳米带的制备及其光催化性能研究[J].人工晶体学报,2011(03):579-583. |
| [7] | 王昭,毛峰,黄祥平,黄应平,冯笙琴,易佳,张昌远,刘栓.TiO2/石墨烯复合材料的制备及其光催化性能[J].材料科学与工程学报,2011(02):267-271,232. |
| [8] | 李智卓,高艳,陈红征.纳米TiO2-ZnO复合材料的制备及其光催化性能[J].材料科学与工程学报,2013(03):376-379. |
| [9] | 王佳,胡荣,王智宇.紫外诱导水相条件下Ag修饰TiO2纳米棒的制备及光催化性能[J].材料科学与工程学报,2013(04):521-524,549. |
| [10] | 金友华,杨宇澄,刘岑岑.过渡族金属掺杂对TiO2薄膜光催化性能的影响[J].材料科学与工程学报,2013(04):604-607. |
| [11] | 魏平玉,杨青林,郭林.卤氧化铋化合物光催化剂[J].化学进展,2009(09):1734-1741. |
| [12] | K.L.Zhang;C.M.Liu;F.Q.Huang et al.Study of the electronic structure and photocatalytic activity of the BiOCI photocatalyst[J].Appl Catal B-Environ,2006,68:125-129. |
| [13] | Ling Zhang;Wenzhong Wang;Lin Zhou .Fe3O4 coupled BiOCl: A highly efficient magnetic photocatalyst[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2009(3/4):458-462. |
| [14] | Chai SY;Kim YJ;Jung MH;Chakraborty AK;Jung D;Lee WI .Heterojunctioned BiOCl/Bi2O3, a new visible light photocatalyst[J].Journal of Catalysis,2009(1):144-149. |
| [15] | 黄华胜,黄智,何星存.Bi2O3/BiOCl异质结光催化剂降解罗丹明B[J].广西师范大学学报（自然科学版）,2010(04):86-89. |
| [16] | Y.Q.Lei;G.H.Wang;S.Y.Song et al.Synthesis,characterization and assembly of BiOCl nanostructure and their photocatalytic properties[J].CRYSTENGCOMM,2009,11:1857-1862. |
| [17] | S.J.Wu;C.Wang;Y.F.Cui et al.Synthesis and photocatalytic properties of BiOCl nanowire arrays[J].Materials Letters,2010,64:115-118. |
| [18] | Jiang, J.;Zhao, K.;Xiao, X.;Zhang, L. .Synthesis and facet-dependent photoreactivity of BiOCl single-crystalline nanosheets[J].Journal of the American Chemical Society,2012(10):4473-4476. |
| [19] | Changhua Wang;Changlu Shao;Yichun Liu .Photocatalytic properties BiOCl and Bi_2O_3 nanofibers prepared by electrospinning[J].Scripta materialia,2008(3):332-335. |
| [20] | Li, T.B.;Chen, G.;Zhou, C.;Shen, Z.Y.;Jin, R.C.;Sun, J.X. .New photocatalyst BiOCl/BiOI composites with highly enhanced visible light photocatalytic performances[J].Dalton transactions: An international journal of inorganic chemistry,2011(25):6751-6758. |
| [21] | Ashok Kumar Chakraborty;Sher Bahadur Rawal;Song Yi Han .Enhancement of visible-light photocatalytic efficiency of BiOCl/Bi2O3 by surface modification with WO3[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2011(1/2):217-223. |
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