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N-doped C layer boost Z-scheme interfacial charge transfer in TiO2/ZnIn2S4 heterojunctions for enhance photocatalytic hydrogen evolution

Author

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  • Liu, Shengjun
  • Chi, Dianjun
  • Chen, Rong
  • Ma, Yan
  • Fang, Huixue
  • Zhang, Kui
  • Liu, Bo

Abstract

Inspired by natural photosynthesis, the design of novel Z-scheme photocatalytic systems holds great promise for improving photocatalytic hydrogen production performance. Here, we constructed a Z-scheme heterojunction to effectively improve the charge separation of TiO2/ZnIn2S4, with the N-doped C layer acting as an electron bridge. The T@NC-A/ZIS-72 heterojunctions demonstrated hydrogen production activity approximately 12.1 and 97.9 times higher than those of ZnIn2S4 and TiO2@NC-A, respectively. The excellent electron migration ability of the carbon layer accelerated the photocatalytic hydrogen production performance. Our design introduces a component to provide a dedicated charge transport pathway, overcoming the inherent properties of the material and providing a new perspective for enhancing photocatalytic performance.

Suggested Citation

  • Liu, Shengjun & Chi, Dianjun & Chen, Rong & Ma, Yan & Fang, Huixue & Zhang, Kui & Liu, Bo, 2023. "N-doped C layer boost Z-scheme interfacial charge transfer in TiO2/ZnIn2S4 heterojunctions for enhance photocatalytic hydrogen evolution," Renewable Energy, Elsevier, vol. 219(P2).
    • Handle: RePEc:eee:renene:v:219:y:2023:i:p2:s096014812301409x
    DOI: 10.1016/j.renene.2023.119494
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