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化工新型材料  2018, Vol. 46 Issue (8): 217-220    
  科学研究 本期目录 | 过刊浏览 | 高级检索 |
钒酸铋的选择性合成及其光催化性能研究
李杰1, 逄显娟2, 宋晨飞2
1.河南科技大学医学院,洛阳471023;
2.河南科技大学化工与制药学院,洛阳471023
Selective synthesis of bismuth vandate with different crystalline phases and their photocatalytic activity
Li Jie1, Pang Xianjuan2, Song Chenfei2
1.Medical College,Henan University of Science and Technology,Luoyang 471023;
2.School of Chemical Engineering and Pharmaceutics,Henan University of Science and Technology,Luoyang 471023
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摘要 采用微波水热法,以硝酸铋和偏钒酸铵为原料,通过控制反应温度实现了对钒酸铋(BiVO4)晶体结构的调控,选择性制备出四方锆石结构BiVO4(z-t)和单斜白钨矿结构BiVO4(s-m)。对样品进行了X射线衍射、扫描电子显微镜、紫外-可见漫反射等表征分析,并以亚甲基蓝(MB)的降解考察了样品的可见光催化性能。结果表明,反应温度对BiVO4的晶体结构和形貌均有较大影响,BiVO4(s-m)表现出较高的可见光催化活性,可见光照射5h,MB的降解率为90%。
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李杰
逄显娟
宋晨飞
关键词:  钒酸铋  微波水热  选择性合成  光催化    
Abstract: Using bismuth nitrate and ammonium metavanadate as raw materials,the visible-light-driven photocatalyst bismuth vanadate (BiVO4) were synthesized via a microwave hydrothermal method.BiVO4 (z-t) and BiVO4 (s-m) were selective synthesized by controlling the temperature of reaction solution under microwave hydrothermal process.The as-synthesized samples were characterized by X-ray powder diffraction,UV-Vis diffuse reflectance spectroscopy and scanning electron microscopy.The photocatalytic activity was investigated using methylene blue as the target degradation material.The results showed that the reaction temperature had a great influence on the crystal form and morphology of BiVO4 photocatalyst,and the BiVO4 (s-m) showed higher photocatalytic activity than that of BiVO4 (z-t),and the degradation rate of MB was 90% under visible light irradiation for 5 h.
Key words:  bismuth vanadate    microwave hydrothermal process    selective synthesis    photocatalysis
收稿日期:  2017-11-01                     发布日期:  2018-09-18      期的出版日期:  2018-08-20
基金资助: 国家自然科学基金项目(1404504);河南省基础与前沿研究计划项目(162300410054)
作者简介:  李杰(1982-),男,实验师,主要研究方向为光催化半导体材料。
引用本文:    
李杰, 逄显娟, 宋晨飞. 钒酸铋的选择性合成及其光催化性能研究[J]. 化工新型材料, 2018, 46(8): 217-220.
Li Jie, Pang Xianjuan, Song Chenfei. Selective synthesis of bismuth vandate with different crystalline phases and their photocatalytic activity. New Chemical Materials, 2018, 46(8): 217-220.
链接本文:  
http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2018/V46/I8/217
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