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Controlled hydrogenation into defective interlayer bismuth oxychloride via vacancy engineering

Journal Article


Abstract


  • Hydrogenation is an effective approach to improve the performance of photocatalysts within

    defect engineering methods. The mechanism of hydrogenation and synergetic effects

    between hydrogen atoms and local electronic structures, however, remain unclear due to the

    limits of available photocatalytic systems and technical barriers to observation and measurement.

    Here, we utilize oxygen vacancies as residential sites to host hydrogen atoms in a

    layered bismuth oxychloride material containing defects. It is confirmed theoretically and

    experimentally that the hydrogen atoms interact with the vacancies and surrounding atoms,

    which promotes the separati30on and transfer processes of photo-generated carriers via the

    resulting band structure. The efficiency of catalytic activity and selectivity of defective bismuth

    oxychloride regarding nitric oxide oxidation has been improved. This work clearly

    reveals the role of hydrogen atoms in defective crystalline materials and provides a promising

    way to design catalytic materials with controllable defect engineering.

Authors


  •   Cui, Dandan (external author)
  •   Xu, Kang (external author)
  •   Dong, Xingan (external author)
  •   Lv, Dongdong (external author)
  •   Dong, Fan (external author)
  •   Hao, Weichang (external author)
  •   Du, Yi
  •   Chen, Jun

Publication Date


  • 2020

Citation


  • Cui, D., Xu, K., Dong, X., Lv, D., Dong, F., Hao, W., Du, Y. & Chen, J. (2020). Controlled hydrogenation into defective interlayer bismuth oxychloride via vacancy engineering. Communications chemistry, 3 73-1-73-8.

Scopus Eid


  • 2-s2.0-85086015471

Start Page


  • 73-1

End Page


  • 73-8

Volume


  • 3

Place Of Publication


  • United Kingdom

Abstract


  • Hydrogenation is an effective approach to improve the performance of photocatalysts within

    defect engineering methods. The mechanism of hydrogenation and synergetic effects

    between hydrogen atoms and local electronic structures, however, remain unclear due to the

    limits of available photocatalytic systems and technical barriers to observation and measurement.

    Here, we utilize oxygen vacancies as residential sites to host hydrogen atoms in a

    layered bismuth oxychloride material containing defects. It is confirmed theoretically and

    experimentally that the hydrogen atoms interact with the vacancies and surrounding atoms,

    which promotes the separati30on and transfer processes of photo-generated carriers via the

    resulting band structure. The efficiency of catalytic activity and selectivity of defective bismuth

    oxychloride regarding nitric oxide oxidation has been improved. This work clearly

    reveals the role of hydrogen atoms in defective crystalline materials and provides a promising

    way to design catalytic materials with controllable defect engineering.

Authors


  •   Cui, Dandan (external author)
  •   Xu, Kang (external author)
  •   Dong, Xingan (external author)
  •   Lv, Dongdong (external author)
  •   Dong, Fan (external author)
  •   Hao, Weichang (external author)
  •   Du, Yi
  •   Chen, Jun

Publication Date


  • 2020

Citation


  • Cui, D., Xu, K., Dong, X., Lv, D., Dong, F., Hao, W., Du, Y. & Chen, J. (2020). Controlled hydrogenation into defective interlayer bismuth oxychloride via vacancy engineering. Communications chemistry, 3 73-1-73-8.

Scopus Eid


  • 2-s2.0-85086015471

Start Page


  • 73-1

End Page


  • 73-8

Volume


  • 3

Place Of Publication


  • United Kingdom