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Half-metallic carbon nitride nanosheets with micro grid mode resonance structure for efficient photocatalytic hydrogen evolution

Author

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  • Gang Zhou

    (Nanjing University)

  • Yun Shan

    (Nanjing University
    Nanjing Xiaozhuang University)

  • Youyou Hu

    (Jiangsu University of Science and Technology)

  • Xiaoyong Xu

    (Yangzhou University)

  • Liyuan Long

    (Nanjing University)

  • Jinlei Zhang

    (Nanjing University)

  • Jun Dai

    (Jiangsu University of Science and Technology)

  • Junhong Guo

    (Nanjing University of Posts and Telecommunications)

  • Jiancang Shen

    (Nanjing University)

  • Shuang Li

    (Nanjing Xiaozhuang University)

  • Lizhe Liu

    (Nanjing University)

  • Xinglong Wu

    (Nanjing University)

Abstract

Photocatalytic hydrogen evolution from water has triggered an intensive search for metal-free semiconducting photocatalysts. However, traditional semiconducting materials suffer from limited hydrogen evolution efficiency owing to low intrinsic electron transfer, rapid recombination of photogenerated carriers, and lack of artificial microstructure. Herein, we report a metal-free half-metallic carbon nitride for highly efficient photocatalytic hydrogen evolution. The introduced half-metallic features not only effectively facilitate carrier transfer but also provide more active sites for hydrogen evolution reaction. The nanosheets incorporated into a micro grid mode resonance structure via in situ pyrolysis of ionic liquid, which show further enhanced photoelectronic coupling and entire solar energy exploitation, boosts the hydrogen evolution rate reach up to 1009 μmol g−1 h−1. Our findings propose a strategy for micro-structural regulations of half-metallic carbon nitride material, and meanwhile the fundamentals provide inspirations for the steering of electron transfer and solar energy absorption in electrocatalysis, photoelectrocatalysis, and photovoltaic cells.

Suggested Citation

  • Gang Zhou & Yun Shan & Youyou Hu & Xiaoyong Xu & Liyuan Long & Jinlei Zhang & Jun Dai & Junhong Guo & Jiancang Shen & Shuang Li & Lizhe Liu & Xinglong Wu, 2018. "Half-metallic carbon nitride nanosheets with micro grid mode resonance structure for efficient photocatalytic hydrogen evolution," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
  • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05590-x
    DOI: 10.1038/s41467-018-05590-x
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    Cited by:

    1. Fei Chen & Chang-Wei Bai & Pi-Jun Duan & Zhi-Quan Zhang & Yi-Jiao Sun & Xin-Jia Chen & Qi Yang & Han-Qing Yu, 2024. "Merging semi-crystallization and multispecies iodine intercalation at photo-redox interfaces for dual high-value synthesis," Nature Communications, Nature, vol. 15(1), pages 1-17, December.
    2. Qing Hong & Hong Yang & Yanfeng Fang & Wang Li & Caixia Zhu & Zhuang Wang & Sicheng Liang & Xuwen Cao & Zhixin Zhou & Yanfei Shen & Songqin Liu & Yuanjian Zhang, 2023. "Adaptable graphitic C6N6-based copper single-atom catalyst for intelligent biosensing," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    3. Dong Liu & Tao Ding & Lifeng Wang & Huijuan Zhang & Li Xu & Beibei Pang & Xiaokang Liu & Huijuan Wang & Junhui Wang & Kaifeng Wu & Tao Yao, 2023. "In situ constructing atomic interface in ruthenium-based amorphous hybrid-structure towards solar hydrogen evolution," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    4. Ji Wu & Zhonghuan Liu & Xinyu Lin & Enhui Jiang & Shuai Zhang & Pengwei Huo & Yan Yan & Peng Zhou & Yongsheng Yan, 2022. "Breaking through water-splitting bottlenecks over carbon nitride with fluorination," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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