Advances in research of the modification of graphitic carbon nitride based photocatalysts

HUANG Mingxiu; WANG Bei

doi:10.15886/j.cnki.rdswxb.20230111

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Volume 15 Issue 4

Jul. 2024

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Article Navigation > Journal of Tropical Biology > 2024 > 15(4): 499-508

HUANG Mingxiu, WANG Bei. Advances in research of the modification of graphitic carbon nitride based photocatalysts[J]. Journal of Tropical Biology, 2024, 15(4): 499-508. doi: 10.15886/j.cnki.rdswxb.20230111

Citation:

HUANG Mingxiu, WANG Bei. Advances in research of the modification of graphitic carbon nitride based photocatalysts[J]. Journal of Tropical Biology, 2024, 15(4): 499-508. doi: 10.15886/j.cnki.rdswxb.20230111

Advances in research of the modification of graphitic carbon nitride based photocatalysts

doi: 10.15886/j.cnki.rdswxb.20230111

HUANG Mingxiu,
WANG Bei^,

Hainan Key Laboratory of Laser Technology and Photoelectric Functional Materials/Haikou Key Laboratory of Functional Materials and Photoelectric Chemistry, School of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, China

Received Date: 2023-09-16
Rev Recd Date: 2023-10-31
Publish Date: 2024-07-25

Abstract

Photocatalysts can convert solar energy into chemical energy and show great potential for applications in pollutant degradation, hydrogen production by water photolysis, and CO₂ reduction. As one of the new photocatalysts, graphitic carbon nitride（g-C₃N₄） has many excellent properties, low preparation cost, adjustable optical band gap, excellent chemical and physical stability, etc., which have attracted a lot of attention from researchers. However, the unmodified g-C₃N₄ suffers from small specific surface area, insufficient active sites for reaction, low quantum efficiency and high complexation rate of photogenerated charge carriers, which limit the application of g-C₃N₄ in photocatalysis. Therefore, the existing g-C₃N₄ photocatalysts are modified to improve their photocatalytic performance. Combined with the remarkable results achieved so far in carbon nitride modification treatment, the authors review the main methods for modification of graphite-phase carbon nitride composites,including elemental doping, defect engineering, design of various nanostructures and construction of heterojunctions, and make an outlook on the development trend of g-C₃N₄ in photocatalysis for reference.
- surface modification,
- graphite carbon nitride,
- photocatalysis

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Advances in research of the modification of graphitic carbon nitride based photocatalysts

Hainan Key Laboratory of Laser Technology and Photoelectric Functional Materials/Haikou Key Laboratory of Functional Materials and Photoelectric Chemistry, School of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, China

Received Date: 2023-09-16

Rev Recd Date: 2023-10-31

Publish Date: 2024-07-25

Key words:

Abstract: Photocatalysts can convert solar energy into chemical energy and show great potential for applications in pollutant degradation, hydrogen production by water photolysis, and CO₂ reduction. As one of the new photocatalysts, graphitic carbon nitride（g-C₃N₄） has many excellent properties, low preparation cost, adjustable optical band gap, excellent chemical and physical stability, etc., which have attracted a lot of attention from researchers. However, the unmodified g-C₃N₄ suffers from small specific surface area, insufficient active sites for reaction, low quantum efficiency and high complexation rate of photogenerated charge carriers, which limit the application of g-C₃N₄ in photocatalysis. Therefore, the existing g-C₃N₄ photocatalysts are modified to improve their photocatalytic performance. Combined with the remarkable results achieved so far in carbon nitride modification treatment, the authors review the main methods for modification of graphite-phase carbon nitride composites,including elemental doping, defect engineering, design of various nanostructures and construction of heterojunctions, and make an outlook on the development trend of g-C₃N₄ in photocatalysis for reference.

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Reference (68)

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[17]	WANG M, GUO P, ZHANG Y, et al. Synthesis of hollow lantern-like Eu(III)-doped g-C(3)N(4)with enhanced visible light photocatalytic perfomance for organic degradation[J].Journal of Hazardous Materials, 2018, 349:224-233.
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[25]	WU Z, ZHAO Y, JIN W, et al. Recent progress of vacancy engineering for electrochemical energy conversion related applications[J]. Advanced Functional Materials, 2021, 31(9):2009070.
[26]	GUO N, XUE H, BAO A, et al. Achieving superior electrocatalytic performance by surface copper vacancy defects during electrochemical etching process[J]. Angewandte Chemie(International Ed in English), 2020, 59(33):13778-13784.
[27]	WANG Z, CHEN M, HUANG Y, et al. Self-assembly synthesis of boron-doped graphitic carbon nitride hollow tubes for enhanced photocatalytic NOx removal under visible light[J]. Applied Catalysis B:Environmental, 2018,239:352-361.
[28]	XIONG J, DI J, XIA J, et al. Surface defect engineering in 2D nanomaterials for photocatalysis[J]. Advanced Functional Materials, 2018, 28(39):1983-2002.
[29]	ZHANG T, XING W, LI H, et al. Surface defect engineering and morphology control of graphitic carbon nitride with synergistically improved photocatalytic performance[J]. New Journal of Chemistry,2021,45(31):13949-13955.
[30]	LIU F, YAO Z, XU S, et al. Enhanced photocatalytic activity induced by defect engineering in porous graphitic carbon nitride nanosheets[J]. Journal of Materials Science:Materials in Electronics, 2022, 33(18):14535-14544.
[31]	YAN P, DONG J, MO Z, et al. Enhanced photoelectrochemical sensing performance of graphitic carbon nitride by nitrogen vacancies engineering[J]. Biosensors&Bioelectronics, 2020, 148(11):1802-1809.
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[33]	GU Z, CUI Z, WANG Z, et al. Carbon vacancies and hydroxyls in graphitic carbon nitride:promoted photocatalytic NO removal activity and mechanism[J]. Applied Catalysis B:Environmental, 2022, 279(11):9376-9387.
[34]	LI H, YU J, GONG Y, et al. Perovskite catalysts with different dimensionalities for environmental and energy applications:a review[J]. Separation and Purification Technology, 2023, 307(12):2716-2728.
[35]	OVCHAROV M, SHCHERBAN N, FILONENKO S, et al. Hard template synthesis of porous carbon nitride materials with improved efficiency for photocatalytic CO₂utilization[J]. Materials Science and Engineering:B,2015, 202(8):1-7.
[36]	WANG Y, ZHANG J, WANG X, et al. Boron-and fluorine-containing mesoporous carbon nitride polymers:metal-free catalysts for cyclohexane oxidation[J]. Angewandte Chemie(International Ed in English), 2010, 49(19):3356-3359.
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Advances in research of the modification of graphitic carbon nitride based photocatalysts

doi: 10.15886/j.cnki.rdswxb.20230111

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通讯作者: 陈斌, bchen63@163.com

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