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A Z-scheme TiO2 quantum dots fragment-Bi12TiO20 composites for enhancing photocatalytic activity

Author

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  • Wang, Tao
  • Liu, Xiqing
  • Men, Qiuyue
  • Ma, Changchang
  • Liu, Yang
  • Huo, Pengwei
  • Yan, Yongsheng

Abstract

To completely utilize the high redox ability of photo-induced charge carriers. Here, a Z-scheme photocatalyst of TiO2 QDs/Bi12TiO20 (TBT) composites with TiO2 QDs fragment attached to the surface of Bi12TiO20 (BTO) was prepared and the photocatalytic activity was evaluated by degradation of gatifloxacin (GF). The optimal photocatalytic performance of TBT displayed 3 times higher than bare BTO. The improved photocatalytic performance was ascribed to the effective separation of the charge carriers between TiO2 QDs and BTO via the direct Z-scheme heterojunction. Such a strategy for the construction of Z-scheme TBT composites for removal of organic pollutants, proving new insights into design photocatalyst.

Suggested Citation

  • Wang, Tao & Liu, Xiqing & Men, Qiuyue & Ma, Changchang & Liu, Yang & Huo, Pengwei & Yan, Yongsheng, 2020. "A Z-scheme TiO2 quantum dots fragment-Bi12TiO20 composites for enhancing photocatalytic activity," Renewable Energy, Elsevier, vol. 147(P1), pages 856-863.
    • Handle: RePEc:eee:renene:v:147:y:2020:i:p1:p:856-863
    DOI: 10.1016/j.renene.2019.09.025
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    References listed on IDEAS

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    1. Li, Lin & Chen, Rong & Zhu, Xun & Liao, Qiang & Ye, Dingding & Zhang, Biao & He, Xuefeng & Jiao, Long & Feng, Hao & Zhang, Wei, 2018. "A ternary hybrid CdS/SiO2/TiO2 photoanode with enhanced photoelectrochemical activity," Renewable Energy, Elsevier, vol. 127(C), pages 524-530.
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    Cited by:

    1. Janani, R. & Priyanga, G.Sudha & Behara, Santosh & Melvin, Ambrose Ashwin & Shaheer, A.R.M. & Thomas, Tiju & Neppolian, Bernaurdshaw & Singh, Shubra, 2020. "Enhanced solar light driven hydrogen generation and environment remediation through Nd incorporated ZnIn2S4," Renewable Energy, Elsevier, vol. 162(C), pages 2031-2040.

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    More about this item

    Keywords

    TiO2 quantum dots fragment; Bi12TiO20; Z-scheme; Mechanism;
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