Preparation and photocatalytic activity of Sb2S3/Bi2S3 doped TiO2 from complex precursor via gel–hydrothermal treatment
Preparation and photocatalytic activity of Sb2S3/Bi2S3 doped TiO2 from complex precursor via gel–hydrothermal treatment
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DOI：
10.1016/j.jssc.2010.12.009
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发表时间：
2011-03
影响因子：
3.3
通讯作者：
Y. Huang;G. Xie;Sanping Chen;Sheng-li Gao
中科院分区：
文献类型：
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作者：
Y. Huang;G. Xie;Sanping Chen;Sheng-li Gao
以配合物[M（S2 CNEt）3]（M=Sb，Bi; S2 CNEt =吡咯烷二硫代氨基甲酸酯）为前驱体，采用凝胶-水热法制备了Sb 2S 3/Bi 2S 3掺杂TiO 2。采用XRD、SEM、XPS和紫外-可见漫反射等手段对掺杂后的TiO 2进行了表征。研究了基于掺杂TiO 2的光催化剂对4-硝基苯酚（4-NP）的光脱色。研究了Bi_2S_3/Sb_2S_3的最佳掺杂量、pH值和不同的掺杂工艺。光催化性能测试表明，凝胶-水热法制备的M2 S3掺杂TiO 2对4-硝基苯酚（4-NP）的光催化降解反应具有较好的光催化活性。
Sb2S3/Bi2S3doped TiO2were prepared with the coordination compounds [M(S2CNEt)3] (M=Sb, Bi; S2CNEt=pyrrolidinedithiocarbamate) as precursors via gel–hydrothermal techniques. The doped TiO2were characterized by XRD, SEM, XPS and UV–vis diffuse reflectance means. The photocatalyst based on doped TiO2for photodecolorization of 4-nitrophenol (4-NP) was examined. The optimal Bi2S3/Sb2S3content, pH and different doped techniques have been investigated. Photocatalytic tests reveal that M2S3doped TiO2via the gel–hydrothermal route performs better photocatalytic activity for photodegradation reaction of 4-nitrophenol (4-NP).