以NH4VO3和Bi(NO3)3·5H2O为原料,采用水热合成法制备BiVO4,考察前驱体pH值、水热反应时间、水热反应温度对BiVO4晶相结构及光吸收性能的影响.优化水热法合成BiVO4的制备条件,采用X射线衍射、傅里叶红外、紫外-可见吸收光谱、比表面积等表征手段对产品进行分析.结果表明,适当的制备条件可使BiVO4获得理想的单斜晶相,具有良好的光催化性能.
参考文献
[1] | Lim Ae Ran;Choh Sung Ho;Jang Min Su .Prominent ferroelastic domain walls in BiVO4 crystal[J].Journal of Phys:Cundens Matter,1995,37(07):7309. |
[2] | Liu Haimei;Nakamura Ryuhei;Nakato Yoshihiro .Promoted photooxidation reactivity of particulate BiVO4 photocatalyst prepared by a photoassisted sol-gel method[J].Journal of the Electrochemical Society,2005,152(11):856. |
[3] | Yu, Jianqiang;Zhang, Yan;Kudo, Akihiko .Synthesis and photocatalytic performances of BiVO4 by ammonia co-precipitation process[J].Journal of Solid State Chemistry,2009(2):223-228. |
[4] | Yu Jianqiang;Kudo Akihiko .Hydrothermal sysnthsis of nanofibrous bismuth vanadate[J].Chemistry Letters,2005,34(06):850. |
[5] | 郭佳 .BiVO4的合成及其可见光催化性能[D].广州:暨南大学,2009. |
[6] | 张爱平,张进治.水热法制备不同形貌和结构的BiVO4粉末[J].物理学报,2009(04):2336-2344. |
[7] | Byoung-Kyu Kim;Dae-Young Lim;Richard E. Riman .A New Glycothermal Process for Barium Titanate Nanoparticle Synthesis[J].Journal of the American Ceramic Society,2003(10):1793-1796. |
[8] | Zhang Aiping;Zhang Jinzhi;Cui Naiyi et al.Effects of pH on hydrothermal synthesis and characterization of visiblelight-driven BiVO4 photocatalyst[J].Journal of Molecular Catalysis A:Chemical,2009,304(1-2):28. |
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