[摘 要] 以乙酸铜为铜源,β-环糊精为表面活性剂,NaOH为添加剂,KBH4为还原剂,在室温水溶液中制备了直径约为50 nm的Cu2O,对产物的组成、能隙、光催化性能进行了分析.研究表明:产物结晶性良好,粒径分布较均匀,且产率高;此外,该纳米Cu2O由于比表面积大,对甲基橙在30 min内的催化效率高达94.9%,甲基橙几乎全部被降解,显示出良好的催化活性.
参考文献
[1] | Liu, R;Kulp, EA;Oba, F;Bohannan, EW;Ernst, F;Switzer, JA .Epitaxial electrodeposition of high-aspect-ratio CU2O(110) nanostructures on InP(111)[J].Chemistry of Materials,2005(4):725-729. |
[2] | Yu Chang;Joong Jiat Teo;Hua Chun Zeng .Formation of Colloidal CuO Nanocrystallites and Their Spherical Aggregation and Reductive Transformation to Hollow Cu_2O Nanospheres[J].Langmuir: The ACS Journal of Surfaces and Colloids,2005(3):1074-1079. |
[3] | 汤宏伟,王蒋亮,常照荣,苗旺,孙东.溶胶-凝胶模板法制备氧化镍纳米线[J].表面技术,2007(04):15-16,19. |
[4] | 冉东凯,储德清.纳米氧化亚铜的制备及其对降解亚甲基蓝的催化性能[J].天津工业大学学报,2010(01):60-63. |
[5] | WALLING C .The Ferricion Catalytic Decomposition of Hydrogen Peroxide in Perchloric Acid Solution[J].International Journal of Chemical Kinetics,1974,6(04):507-516. |
[6] | CHEN Feng;XIE Yin-de;ZHAO Jin-cai.Photocatalytic Degradation of Dyes on Magnetically Separated Photocatalyst under Visible and UV Irradiation[J].Chemosphere,2001(44):1159-1168. |
[7] | 成晓玲,胡社军,匡同春,曾鹏,谢光荣,汝强.纳米二氧化钛薄膜制备研究进展[J].表面技术,2005(04):1-5,8. |
[8] | Gu Y;Kuskovsky IL;Yin M;O'Brien S;Neumark GF .Quantum confinement in ZnO nanorods[J].Applied physics letters,2004(17):3833-3835. |
[9] | Huang, W.-C.;Lyu, L.-M.;Yang, Y.-C.;Huang, M.H. .Synthesis of Cu _2O nanocrystals from cubic to rhombic dodecahedral structures and their comparative photocatalytic activity[J].Journal of the American Chemical Society,2012(2):1261-1267. |
[10] | 郝仕油,张静,孙烁榕,上官丹丹.介孔Ce-MCM-48的合成及其可见光催化性能研究[J].中国稀土学报,2012(02):208-213. |
[11] | 陈敬中;刘剑宏.纳米材料科学导论[M].北京:高等教育出版社,2006:90-91. |
[12] | 赵华涛,王,栋,张兰月,白志平,吴有庭.高反应浓度下制备不同形貌氧化亚铜的简易方法[J].无机化学学报,2009(01):142-146. |
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