以导电玻璃(FTO)为基底,采用连续阴极电沉积方法在多孔结构的ZnO薄膜上合成具有单一(111)择优取向的Cu2O,制备了Cu2O/ZnO复合薄膜.采用X射线衍射和扫描电镜分别对薄膜的结构及形貌进行了表征.光吸收谱显示复合薄膜在可见光范围内具有较好的光吸收性能.可见光催化降解罗丹明B的实验表明,由于在两半导体接触界面上发生了电荷的转移,Cu2O/ZnO复合薄膜比单一的Cu2O薄膜具有更高的光催化活性,在2.5 h内对罗丹明B的降解率可达到70％,而在相同条件下Cu2O薄膜的降解率仅为60％.
参考文献
| [1] | Self-assembled Cu_2O flowerlike architecture: Polyol synthesis, photocatalytic activity and stability under simulated solar light[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2010(8):P.961. |
| [2] | Chun-Hong Kuo;Chiu-Hua Chen;Michael H. Huang .Seed-Mediated Synthesis of Monodispersed Cu_2O Nanocubes with Five Different Size Ranges from 40 to 420 nm[J].Advanced Functional Materials,2007(18):3773-3780. |
| [3] | Ying Zhang;Bin Deng;Tierui Zhang .Shape Effects of Cu2O Polyhedral Microcrystals on Photocatalytic Activity[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2010(11):5073-5079. |
| [4] | 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. |
| [5] | Lingling Wu;Lok-kun Tsui;Nathan Swami .Photoelectrochemical Stability of Electrodeposited Cu2O Films[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2010(26):11551-11556. |
| [6] | Zhaoke Zheng;Baibiao Huang;Zeyan Wang .Crystal Faces of Cu2O and Their Stabilities in Photocatalytic Reactions[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2009(32):14448-14453. |
| [7] | Xu HL;Wang WZ;Zhu W .Shape evolution and size-controllable synthesis of Cu2O octahedra and their morphology-dependent photocatalytic properties[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2006(28):13829-13834. |
| [8] | 刘瑛,魏守强,刘龙,李欣悦,史敬.CuO/ZnO叠层复合薄膜的制备及其光催化活性[J].硅酸盐学报,2012(03):402-407. |
| [9] | Shouqiang Wei;Yuyan Ma;Yuye Chen;Long Liu;Ying Liu;Zhongcai Shao.Fabrication of WO-3/Cu_2O composite films and their photocatalytic activity[J].Journal of hazardous materials,2011:243-249. |
| [10] | Preparation of ZnO/Cu_2O compound photocatalyst and application in treating organic dyes[J].Journal of hazardous materials,2010(1/3):807. |
| [11] | 云广平,梁燕萍,吴振森.Ni-P/TiO2/Cu2O复合膜的制备及其可见光催化活性研究[J].电镀与涂饰,2011(02):12-14. |
| [12] | S. S. Jeong;A. Mittiga;E. Salza;A. Masci;S. Passerini .Electrodeposited ZnO/Cu{sub}2O heterojunction solar cells[J].Electrochimica Acta,2008(5):2226-2231. |
| [13] | Katayama J;Ito K;Matsuoka M;Tamaki J .Performance of Cu2O/ZnO solar cell prepared by two-step electrodeposition[J].Journal of Applied Electrochemistry,2004(7):687-692. |
| [14] | 马玉燕,魏守强,侯微,陈玉叶,刘瑛.ZnO/Cu2O复合膜的制备及其光催化活性研究[J].电镀与精饰,2009(12):5-8,18. |
| [15] | 刘英麟,刘益春,杨桦,张丁可,张吉英,吕有明,申德振,范希武.用电化学沉积法制备ZnO/Cu2O异质p-n结[J].发光学报,2004(05):533-536. |
| [16] | IZAKI M;OMIT .Transparent zinc oxide films prepared by electrochemical reaction[J].Applied Physics Letters,1996,68(17):2439-2440. |
| [17] | 陈善亮,应鹏展,顾修全,张伦.pH对电沉积氧化亚铜薄膜的影响及光催化性能[J].电镀与涂饰,2012(05):6-9. |
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