采用液相沉淀法制备了Fe2O3掺杂FeVO4 光催化剂,采用X-射线衍射仪和扫描电子显微镜对其物相进行表征.在20 W紫外灯(主波长λ=253.7 nm)照射一定质量浓度的甲基橙溶液,研究其对甲基橙溶液光催化脱色效果.研究了甲基橙溶液初始质量浓度、催化剂质量浓度、光照强度及pH对甲基橙溶液脱色的影响.研究结果表明,当ρ(甲基橙)为10mg/L时,ρ((光催化剂)为4g/L,d(光照)为14 cm,甲基橙溶液pH为5时对甲基橙溶液的脱色率达到最高,100min内达82%左右.
参考文献
| [1] | Akira Fujishima;Tata N. Rao;Donald A. Tryk .Titanium dioxide photocatalysis[J].Journal of photochemistry and photobiology, C. Photochemistry reviews,2000(1):1-21. |
| [2] | M Anpo;M Takeuchi .The design and development of highly reactive titanium oxide photocatalysts operating under visible light irradiation[J].Journal of Catalysis,2003,216:505:516. |
| [3] | A W Xu;Y Gao;H Q Liu .The preparation,characterization and their photocatalytic activities of rare-earth-doped TiO2 naoparticles[J].Journal of Catalysis,2002,207:151-157. |
| [4] | Sun HQ;Bai Y;Jin WQ;Xu NP .Visible-light-driven TiO2 catalysts doped with low-concentration nitrogen species[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2008(1):76-83. |
| [5] | Hayashibara M.;Miura T.;Kishi T.;Eguchi M. .LITHIATION CHARACTERISTICS OF FEVO4[J].Solid state ionics,1997(1/2):119-125. |
| [6] | Y Oka;T Yao;N Yamamoto et al.Hydrothermal Synthesis,Crystal Structure,and Magnetic Properies of FeVO4-Ⅱ[J].Journal of Solid State Chemistry,1996,123:54-59. |
| [7] | S Ekambaram;K C Patil .Rapid synthesis and properties of FeVO4,AlVO4,YVO4 and Eu3+-doped YVO4[J].Journal of Alloys and Compounds,1995,217:104-107. |
| [8] | 王敏,王里奥,张文杰,包亮,杨丽丽.FeVO4光催化剂降解甲基橙研究[J].功能材料,2009(02):201-203,207. |
| [9] | B Siffer .Study on the interaction of titanium dioxide with cellulose fibers in an acqueous medium[J].Colloids and Surfaces,1991,53:79-84. |
| [10] | Siham Al-Qaradawi;Salman R. Salman .Photocatalytic degradation of methyl orange as a model compound[J].Journal of Photochemistry and Photobiology, A. Chemistry,2002(1/3):161-168. |
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