Citation: Ping LIU, Chengcai ZHU, Yanyang LI, Hongchang YAO. Construction and photocatalytic CO₂ reduction performance of S-scheme heterojunction ZnFe₂O₄/WO₃ catalysts[J]. Chinese Journal of Inorganic Chemistry, ;2024, 40(1): 197-208. doi: 10.11862/CJIC.20230376 shu

Construction and photocatalytic CO₂ reduction performance of S-scheme heterojunction ZnFe₂O₄/WO₃ catalysts

Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China

Corresponding author: Hongchang YAO, yaohongchang@zzu.edu.cn
Received Date: 11 October 2023
Revised Date: 14 December 2023

Figures(13)

A series of ZnFe₂O₄/WO₃ photocatalysts were constructed by loading ZnFe₂O₄ nanoparticles on the surface of WO 3 nanosheets, and their performance for photocatalytic CO₂ reduction was studied. Under the conditions of no cocatalysts and sacrificial agents, the prepared ZnFe₂O₄/WO₃ composite materials can catalyze the reaction between CO₂ and water vapor. After illumination for 5 h, the yields of CO₂ reduction products CO and CH₄ of the optimal material were 7.87 and 4.88 μmol·g^-1, respectively. Compared to its counterparts, the yields of CO and CH₄ were improved. The increased photocatalytic activity of ZnFe₂O₄/WO₃ is attributed to the formation of heterojunctions between ZnFe₂O₄ and WO₃ as well as the S-scheme charge transfer mode of the photogenerated carriers, both of which are conducive to separation efficiency of photo-generated carriers and photocatalytic CO₂ reduction activity.
- CO₂ reduction,
- Photocatalytic activity,
- ZnFe₂O₄/WO₃,
- heterojunction,
- S-scheme change transfer mode
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Construction and photocatalytic CO2 reduction performance of S-scheme heterojunction ZnFe2O4/WO3 catalysts

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Construction and photocatalytic CO₂ reduction performance of S-scheme heterojunction ZnFe₂O₄/WO₃ catalysts