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rGO/TiO2/BiOI异质结的制备及光催化性能

靳玉涵 李春梅 张艳峰

靳玉涵, 李春梅, 张艳峰. rGO/TiO2/BiOI异质结的制备及光催化性能[J]. 新型炭材料, 2020, 35(4): 394-400. doi: 10.1016/S1872-5805(20)60496-6
引用本文: 靳玉涵, 李春梅, 张艳峰. rGO/TiO2/BiOI异质结的制备及光催化性能[J]. 新型炭材料, 2020, 35(4): 394-400. doi: 10.1016/S1872-5805(20)60496-6
JIN Yu-han, LI Chun-mei, ZHANG Yan-feng. Preparation and visible-light driven photocatalytic activity of the rGO/TiO2/BiOI heterostructure for methyl orange degradation[J]. NEW CARBON MATERIALS, 2020, 35(4): 394-400. doi: 10.1016/S1872-5805(20)60496-6
Citation: JIN Yu-han, LI Chun-mei, ZHANG Yan-feng. Preparation and visible-light driven photocatalytic activity of the rGO/TiO2/BiOI heterostructure for methyl orange degradation[J]. NEW CARBON MATERIALS, 2020, 35(4): 394-400. doi: 10.1016/S1872-5805(20)60496-6

rGO/TiO2/BiOI异质结的制备及光催化性能

doi: 10.1016/S1872-5805(20)60496-6
基金项目: 国家自然科学基金(11179029);河北省教育厅重点项目(ZD2018019);河北师范大学技术创新基金(L2017K05).
详细信息
    作者简介:

    靳玉涵,硕士研究生.E-mail:jinyuhan289804210@qq.com

    通讯作者:

    李春梅,副教授.E-mail:licm@hebtu.edu.cn;张艳峰,教授.E-mail:zhangyanfeng@hebtu.edu.cn

  • 中图分类号: O643.36

Preparation and visible-light driven photocatalytic activity of the rGO/TiO2/BiOI heterostructure for methyl orange degradation

Funds: National Natural Science Foundation of China (11179029), Key Projects of Education Department of Hebei Province (ZD2018019), Technical Innovation Fund of Hebei Normal University (L2017K05).
  • 摘要: 采用水热法制备了不同比例rGO/TiO2/BiOI三元复合物,以甲基橙为模拟污染物考察了样品的光催化性能,用扫描电子显微镜、X射线衍射仪、紫外-可见漫反射光谱仪、X射线光电子能谱仪和电化学方法对样品结构和性能进行了表征。结果表明,可见光照射下,Bi/Ti摩尔比为80%的rGO/TiO2/BiOI复合物,在20 min时对甲基橙的降解率达到98%;表明以层状的石墨烯(rGO)为基底,TiO2纳米颗粒均匀附着在BiOI纳米片上,形成了以石墨烯为基底的异质结,异质结在可见光区有较强吸收,改善了光生载流子的分离效率,加快了载流子的迁移速率,从而提高了催化剂的光催化活性。
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出版历程
  • 收稿日期:  2020-05-10
  • 修回日期:  2020-07-10
  • 刊出日期:  2020-08-28

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