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Metal organic frameworks constructed heterojunction with α-NiS-β-NiS/CdS: The effect of organic-ligand in UiO-66 for charge transfer of photocatalytic hydrogen evolution

Author

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  • Zhang, Heqing
  • Yu, Zebin
  • Jiang, Ronghua
  • Hou, Yanping
  • Huang, Jun
  • Zhu, Hongxiang
  • Yang, Fei
  • Li, Mingjie
  • Li, Fengyuan
  • Ran, Qi

Abstract

Developing favorable charge transfer mode for photocatalytic hydrogen evolution in a photocatalyst is a promising way to enhance photocatalytic activity. In this study, MOF, decorated with different functional groups, was initially used as charge transfer mode convertor coupled with CdS/α-NiS-β-NiS. The NH2-UiO-66/CdS/α-NiS-β-NiS lead to twice and triple higher H2 evolution compared to (OH)2-UiO-66/CdS/α-NiS-β-NiS and UiO-66/CdS/α-NiS-β-NiS respectively under simulated sunlight. The NH2-UiO-66 provides suitable energy band structure to formed Z-scheme with CdS/α-NiS-β-NiS, which plays a synergistic role in the photocatalytic process. The loading of α-NiS-β-NiS significantly improves the visible light absorption ability and provides abundant active sites. As a result, the α-NiS-β-NiS/CdS/NH2-UiO-66 show considerable photocatalytic hydrogen production rate of 17.88 mmol h−1 g−1, which is 7.9 times and 2.5 times as high as-those of pure CdS and 7-α-NiS-β-NiS/CdS, and it also shows a prominent apparent quantum efficiency (AQE) of 14.7% at 420 nm. This work provides a new insight design a metal organic frameworks based heterojunction with highly-efficient photo-induced charge separation and excellent visible-light absorption ability.

Suggested Citation

  • Zhang, Heqing & Yu, Zebin & Jiang, Ronghua & Hou, Yanping & Huang, Jun & Zhu, Hongxiang & Yang, Fei & Li, Mingjie & Li, Fengyuan & Ran, Qi, 2021. "Metal organic frameworks constructed heterojunction with α-NiS-β-NiS/CdS: The effect of organic-ligand in UiO-66 for charge transfer of photocatalytic hydrogen evolution," Renewable Energy, Elsevier, vol. 168(C), pages 1112-1121.
    • Handle: RePEc:eee:renene:v:168:y:2021:i:c:p:1112-1121
    DOI: 10.1016/j.renene.2020.12.102
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    References listed on IDEAS

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    1. Genc, Eminegül & Yüzer, A. Celil & Yanalak, Gizem & Harputlu, Ersan & Aslan, Emre & Ocakoglu, Kasim & Ince, Mine & Patir, Imren Hatay, 2020. "The effect of central metal in phthalocyanine for photocatalytic hydrogen evolution via artificial photosynthesis," Renewable Energy, Elsevier, vol. 162(C), pages 1340-1346.
    2. Pan, Jiaqi & Li, Hongli & Li, Shi & Ou, Wei & Liu, Yanyan & Wang, Jingjing & Song, Changsheng & Zheng, Yingying & Li, Chaorong, 2020. "The enhanced photocatalytic hydrogen production of nickel-cobalt bimetals sulfide synergistic modified CdS nanorods with active facets," Renewable Energy, Elsevier, vol. 156(C), pages 469-477.
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    Cited by:

    1. Narthana Kandhasamy & Govindasamy Murugadoss & Thiruppathi Kannappan & Kamalan Kirubaharan & Rajesh Kumar Manavalan, 2022. "Nickel-Cadmium-Sulfide Anchored on rGO Nanocomposite for Removal of Textile Industry Dyes," Sustainability, MDPI, vol. 14(23), pages 1-16, December.

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