| 纳米BiVO_4的制备表征及光催化性能研究 |
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| 引用本文： | 周建伟,黄建新,李洁,王金娜.纳米BiVO_4的制备表征及光催化性能研究[J].化学试剂,2009,31(3). |
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| 作者姓名： | 周建伟 黄建新 李洁 王金娜 |
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| 作者单位： | 1. 新乡学院,化学化工学院,河南,新乡,453003
2. 新乡学院,应用生物系,河南,新乡,453003 |
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| 摘 要： | 以十二烷基苯磺酸钠(SDBS)为分散剂,采用水热合成法制备了纳米钒酸铋,采用红外光谱(FT-IR)、X射线衍射(XRD)、扫描电子显微镜(SEM)和紫外-可见光(UV-Vis)吸收光谱进行了结构表征.通过模型化合物亚甲基蓝的降解脱色实验研究了其光催化活性,考察了亚甲基蓝初始浓度、催化剂加量、pH等因素对降解率影响.结果表明,纳米BiVO4在可见光照射下具有良好的光催化性能,450 W高压汞灯光照2.0 h,可使浓度为10 mg/L亚甲基蓝溶液的降解率达90%.在环境水污染治理中有良好的应用前景.
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| 关 键 词： | 光催化降解 钒酸铋 半导体 可见光 亚甲基蓝 |
Preparation and photocatalytic property of nano-sized BiVO_4 |
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| ZHOU Jian-wei,HUANG Jian-xin,LI Jie,WANG Jin-na.Preparation and photocatalytic property of nano-sized BiVO_4[J].Chemical Reagents,2009,31(3). |
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| Authors: | ZHOU Jian-wei HUANG Jian-xin LI Jie WANG Jin-na |
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| Affiliation: | Xinxiang University;a.School of Chemistry and Chemical Engineering;b.Department of Applied Biology;Xinxiang 453003;China |
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| Abstract: | Bismuth vanadate(BiVO4) nanoparticles were hydrothermally synthesized in the presence of sodium dodecylbenzene sulfonate(SDBS) used as the dispersant.FT-IR,XRD,SEM and UV-Vis diffuse reflection spectra were used to characterize the BiVO4 nanoparticles.Photodegradation of methylene blue(MB) under visible-light irradiation in aqueous solution was investigated by using the BiVO4 particles as a photocatalyst.The effect of initial concentration of methylene blue,the quantity of catalyst,the pH value and the ligh... |
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| Keywords: | photocatalytic degradation bismuth vanadate semiconductor visible light methylene blue |
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