以Bi(NO3)3·5H2O和NH4VO3为原料,水热法合成了单斜相BiVO4粉体.利用X射线衍射、透射电镜、紫外可见漫反射对所合成产物进行了表征,并与高温固相法合成的产物进行了对比.用浸渍法对水热法合成产物进行了9种元素的掺杂,对掺杂BiVO4进行了光催化降解亚甲基蓝性能的研究.结果表明,Cu掺杂BiVO4显示出最大的光催化降解速率,2h降解率可达82％,而Ce掺杂降解能力降低,Si掺杂提高了吸附性.
参考文献
| [1] | 刘宏伟;曾大文;谢长生 .新型可见光催化剂BiVO4制备方法[J].材料导报,2011,25(专辑17):54. |
| [2] | Kudo A.;Kato H.;Mikami I.;Ueda K. .Photocatalytic O-2 evolution under visible light irradiation on BiVO4 in aqueous AgNO3 solution[J].Catalysis Letters,1998(3/4):229-230. |
| [3] | Shigeru Kohtani;Masaya Koshiko;Akihiko Kudo;Kunihiro Tokumura;Yasuhito Ishigaki;Akira Toriba;Kazuichi Hayakawa;Ryoichi Nakagaki .Photodegradation of 4-alkylphenols using BiVO_4 photocatalyst under irradiation with visible light from a solar simulator[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2003(3):573-586. |
| [4] | Xi, GC;Ye, JH .Synthesis of bismuth vanadate nanoplates with exposed {001} facets and enhanced visible-light photocatalytic properties[J].Chemical communications,2010(11):1893-1895. |
| [5] | Hua Tong;Shuxin Ouyang;Yingpu Bi;Naoto Umezawa;Mitsutake Oshikiri;Jinhua Ye .Nano-photocatalytic Materials: Possibilities and Challenges[J].Advanced Materials,2012(2):229-251. |
| [6] | Mingce Long;Weimin Cai;Horst Kisch .Visible Light Induced Photoelectrochemical Properties of n-BiVO4 and n-BiVO4/p-Co3O4[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2008(2):548-554. |
| [7] | Hai-qing Jiang;Hiromitsu Endo;Hirotaka Natori;Masayuki Nagai;Koichi Kobayashi .Fabrication And Efficient Photocatalytic Degradation Of Methylene Blue Over Cuo/bivo_4 Composite Under Visible-light Irradiation[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2009(3):700-706. |
| [8] | Hui Xu;Huaming Li;Chundu Wu .Preparation, characterization and photocatalytic activity of transition metal-loaded BiVO_4[J].Materials Science & Engineering, B. Solid-State Materials for Advanced Technology,2008(1):52-56. |
| [9] | Synthesis, characterization and photocatalytic activities of rare earth-loaded BiVO_4 catalysts[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2009(3):597. |
| [10] | 张爱平,张进治.Cu、Ag、Au掺杂BiVO_4可见光催化剂的制备及性能研究[J].分子催化,2010(01):51-56. |
| [11] | Zhang X F;Quan X;Chen S et al.Effect of Si doping on photoelectrocatalytic decomposition of phenol of BiVO4 film under visible light[J].Journal of Hazardous Materials,2010,177(1-3):914. |
| [12] | Zhang A P;Zhang J Z;Cui N Y et al.Effects of pH on hydrothermal synthesis and characterization of visible-lightdriven BiVO4 photocatalyst[J].Journal of Molecular Catalysis A:Chemical,2009,304(1-2):28. |
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