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纳米银粒子耦合BiVO4和海泡石的制备及性能研究
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中图分类号:

O643.36;O644.1

基金项目:

国家自然科学基金项目（21571084）。


Preparation and properties of silver nanoparticles coupled with BiVO4 and sepiolite
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    摘要:

    通过水热法制备了BiVO4和BiVO4/海泡石光催化剂，利用AgNO3作为前体试剂，在光照的条件下，制备了不同银负载量的Ag/BiVO4/海泡石复合光催化剂。利用XRD、SEM、TEM、XPS和DRS等测试手段对光催化剂的性质等进行了表征。以罗丹明B为模型污染物，考察了不同银负载量对Ag/BiVO4/海泡石复合光催化剂性能的影响。结果表明，当银的负载量达到60%时，复合光催化剂对罗丹明B的脱色效果最好，可在10 min之内完全将罗丹明B脱色。同时0.6Ag/BiVO4/海泡石样品具有一定的循环稳定性，可多次使用。

    Abstract:

    BiVO4 and BiVO4/sepiolite were prepared by hydrothermal method, and Ag/BiVO4/sepiolite composite photocatalysts with different Ag loadings were prepared under the light using AgNO3 as a precursor reagent. XRD, SEM, TEM, XPS and DRS were used to characterize the photocatalysts. Using rhodamine B as a model pollutant, the effects of different Ag loadings on the performance of Ag/BiVO4/sepiolite composite photocatalysts were investigated. The results show that when the loading of Ag reaches 60%, the composite photocatalyst has the best decolorization effect on rhodamine B, and the rhodamine B can be completely decolorized within 10 minutes. At the same time, the 0.6Ag/BiVO4/sepiolite sample shows substantial recyclability and cycling stability.

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王亮,舒友菊,郑亚超,施冬健,陈明清.纳米银粒子耦合BiVO4和海泡石的制备及性能研究[J].重庆大学学报,2021,44(6):118-126.

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  • 收稿日期:2019-12-30
  • 在线发布日期: 2021-06-10
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