Progress on Synthesis of CQDs/g-C<sub>3</sub>N<sub>4</sub> Composites and Their Photocatalytic Performance

LIU Zhixin; LIU Chengbao; ZHENG Leizhi; CHEN Feng; QIAN Junchao; QIU Yongbin; MENG Xianrong; CHEN Zhigang

doi:10.11973/jxgccl230326

Materials and Mechanical Engineering > 2024 > 48(7): 1-10. > DOI: 10.11973/jxgccl230326

LIU Zhixin, LIU Chengbao, ZHENG Leizhi, CHEN Feng, QIAN Junchao, QIU Yongbin, MENG Xianrong, CHEN Zhigang. Progress on Synthesis of CQDs/g-C₃N₄ Composites and Their Photocatalytic Performance[J]. Materials and Mechanical Engineering, 2024, 48(7): 1-10. DOI: 10.11973/jxgccl230326

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Progress on Synthesis of CQDs/g-C₃N₄ Composites and Their Photocatalytic Performance

LIU Zhixin^{1, 2},
LIU Chengbao^{1, 2, 3,},
ZHENG Leizhi^{1, 2, 3},
CHEN Feng^{1, 2, 3},
QIAN Junchao^{1, 2, 3},
QIU Yongbin⁴,
MENG Xianrong⁵,
CHEN Zhigang^{1, 2, 3}

1.
Jiangsu Key Laboratory for Environment Functional Materials
2.
School of Materials Science and Engineering
3.
Jiangsu Collaborative Innovation Center of Technology and Material for Water Treatment, Suzhou University of Science and Technology, Suzhou 215009, China
4.
Jiangsu Province Ceramics Research Institute Co., Ltd., Yixing 214221, China
5.
Suzhou Institute of Environmental Science, Suzhou 215007, China

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Received Date: July 13, 2023
Revised Date: June 02, 2024

Graphical Abstract

Abstract

Abstract

Graphite carbon nitride (g-C₃N₄) has great application potential in the new energy development and environmental remediation, but the shortcomings of pure g-C₃N₄, such as small light absorption range, high crystallinity, high photo-generated carrier recombination rate and few active sites, limit its application range. The introduction of carbon dots (CQDs) to construct composite phase can increase the reactive sites of g-C₃N₄, accelerate the transfer of surface charges, inhibit the recombination of carriers, and then enhance its photocatalytic activity. The preparation methods and raw material sources of CQDs, the synthesis methods (solvothermal method, calcination method and self-assembly method) of CQDs/g-C₃N₄ composites and the strategies for improving photocatalytic performance were reviewed. The applications of CQDs/g-C₃N₄ composites in hydrogen production, pollutant degradation and antibacterial in recent years are described. Finally, the future development direction of CQDs/g-C₃N₄ composites is prospected.
- CQDs/g-C₃N₄ composite,
- synthetic method,
- photocatalytic performance,
- pollutant degradation,
- hydrogen production,
- antibacterial

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References (64)

References

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Progress on Synthesis of CQDs/g-C3N4 Composites and Their Photocatalytic Performance

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Progress on Synthesis of CQDs/g-C₃N₄ Composites and Their Photocatalytic Performance