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  • Zhu, Xingwang, et al. (author)
  • Stacking Engineering of Heterojunctions in Half-Metallic Carbon Nitride for Efficient CO2 Photoreduction
  • 2023
  • In: Advanced Science. - : WILEY. - 2198-3844.
  • Journal article (peer-reviewed)abstract
    • Enhancing charge separation in semiconductor photocatalysts is a major challenge for efficient artificial photosynthesis. Herein, a compact heterojunction is designed by embedding half-metallic C(CN)(3) (hm-CN) hydrothermally in BiOBr (BOB) as the backbone. The interface between hm-CN and BOB is seamless and formed by covalent bonding to facilitate the transmission of photoinduced electrons from BOB to hm-CN. The transient photocurrents and electrochemical impedance spectra reveal that the modified composite catalyst exhibits a larger electron transfer rate. The photocatalytic activity of hm-CN/BOB increases significantly as indicated by a CO yield that is about four times higher than that of individual components. Density-functional theory calculations verify that the heterojunction improves electron transport and decreases the reaction energy barrier, thus promoting the overall photocatalytic CO2 conversion efficiency. The half-metal nitride coupled semiconductor heterojunctions might have large potential in artificial photosynthesis and related applications.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Ding, Penghui (1)
Wang, Bin (1)
Xu, Hui (1)
Zhu, Xingwang (1)
Zhong, Kang (1)
Liu, Jinyuan (1)
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Wang, Xiaozhi (1)
Ding, Jianning (1)
Chu, Paul K. (1)
Xu, Hangmin (1)
Bi, Chuanzhou (1)
Tian, Jianfeng (1)
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University
Linköping University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Engineering and Technology (1)
Year
2023 (1)

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