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The Cd0.8Zn0.2S/In2S3 porous nanotubes heterojunction towards enhanced visible light photocatalytic H2 evolution and photodegradation via MOFs self-template and bimetallic synergism

Author

Listed:
  • Cao, Jun
  • Xu, Xiaoqing
  • Que, Lixin
  • Li, Hui
  • Wang, Jingjing
  • Zheng, Yingying
  • Pan, Jiaqi
  • Li, Chaorong

Abstract

The Cd0.8Zn0.2S/In2S3 porous nanotubes heterojunction is fabricated via chemical-hydrothermal method. Cd0.8Zn0.2S/In2S3 heterojunction (Cd0.8Zn0.2S/In2S3-3) exhibits a prominent enhanced photocatalytic HER activity (∼3480.91 μmol g−1 h−1, AQE of ∼12.09%) and photodegradation than single In2S3 (∼40 folds/∼10 folds) and single Cd0.8Zn0.2S (∼30 folds/∼4 folds). There, the Cd0.8Zn0.2S/In2S3 heterojunction with great potential gradient, bimetallic synergism, crystal lattice matching and visible light response can ameliorate carrier efficiency effectively, including transportation increasing, lifetime prolonging, recombination decreasing, and can be supported by the DFT. In addition, formed porous nanotubes microstructural can increase photocatalytic active sites and light reflections, and shorten carrier pathway, meanwhile maintaining a good stability. Herein, the modification of heterojunction, bimetallic synergy and hollow tubular structure can provide new sights for preparing green energy-environmental materials.

Suggested Citation

  • Cao, Jun & Xu, Xiaoqing & Que, Lixin & Li, Hui & Wang, Jingjing & Zheng, Yingying & Pan, Jiaqi & Li, Chaorong, 2024. "The Cd0.8Zn0.2S/In2S3 porous nanotubes heterojunction towards enhanced visible light photocatalytic H2 evolution and photodegradation via MOFs self-template and bimetallic synergism," Renewable Energy, Elsevier, vol. 224(C).
    • Handle: RePEc:eee:renene:v:224:y:2024:i:c:s0960148124002775
    DOI: 10.1016/j.renene.2024.120212
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    1. Ding, Qun & Zou, Xuejun & Ke, Jun & Dong, Yuying & Cui, Yubo & Lu, Guang & Ma, Hongchao, 2023. "S-scheme 3D/2D NiCo2O4@g-C3N4 hybridized system for boosting hydrogen production from water splitting," Renewable Energy, Elsevier, vol. 203(C), pages 677-685.
    2. Oztop, Hakan F. & Sahin, A.Z. & Coşanay, Hakan & Sahin, I.H., 2023. "Three-dimensional computational analysis of performance improvement in a novel designed solar photovoltaic/thermal system by using hybrid nanofluids," Renewable Energy, Elsevier, vol. 210(C), pages 832-841.
    3. Gil, J. José & Aguilar-Martínez, Octavio & Piña-Pérez, Yanet & Pérez-Hernández, Raúl & Santolalla-Vargas, C.E. & Gómez, R. & Tzompantzi, F., 2020. "Efficient ZnS–ZnO/ZnAl-LDH composite for H2 production by photocatalysis," Renewable Energy, Elsevier, vol. 145(C), pages 124-132.
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