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Research Progress in Preparing Methods of g-C3N4 Nanosheets by Exfoliation
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Wei DONG1, 2, Qiming CHANG1, Wenbo WANG1, Shaobin YANG1, 2
Journal of the Chinese Ceramic Society | 2023, 51(7) : 1868 - 1882
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Journal of the Chinese Ceramic Society | 2023, 51(7): 1868-1882
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Research Progress in Preparing Methods of g-C3N4 Nanosheets by Exfoliation
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Wei DONG1, 2, Qiming CHANG1, Wenbo WANG1, Shaobin YANG1, 2
Affiliations
  • 1.School of Materials Science and Engineering, Liaoning Technical University, Fuxin 123000, Liaoning, China
  • 2.Key Laboratory of Mineral High Value Conversion and Energy Storage Materials of Liaoning Province, Fuxin 123000, Liaoning, China

    • DONG Wei(1986-), male, Ph.D., Associate Professor. E-mail:

About Author:

DONG Wei(1986-), male, Ph.D., Associate Professor. E-mail:

Published: 2023-06-09 doi: 10.14062/j.issn.0454-5648.20230090
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Graphitic carbon nitride (g-C3N4) is a typical sp2 π conjugated polymer semiconductor material with a variety of unique physical and chemical properties. However, g-C3N4 obtained by a conventional calcination method has some shortcomings such as small specific surface area, a few exposed active sites, and a poor dispersibility in aqueous solution, restricting its practical application. Compared with bulk g-C3N4, g-C3N4 nanosheets obtained by different exfoliation processes have attracted much attention in the fields of energy, catalysis and sensing due to their high specific surface area, short carrier path, abundant active sites and large band gap. g-C3N4 has some disadvantages of nanosheet agglomeration, high energy consumption, long time consumption and low yield in the exfoliation preparation process. It is thus necessary to develop a green and cost-effective method for the preparation of g-C3N4 nanosheets. This paper reviewed the exfoliation mechanisms of top-down liquid exfoliation, chemical exfoliation and thermal exfoliation. The structure, composition, lamellar thickness and specific surface area of g-C3N4 nanosheets obtained by three methods were compared. In addition, some applications in photocatalysis were introduced, and the future development of g-C3N4 nanosheets was also prospected.

graphitic carbon nitrides  /  exfoliation process  /  nanosheets  /  photocatalysis
董伟, 常启明, 王文博, 杨绍斌. g-C3N4纳米片的剥离制备方法研究进展. 硅酸盐学报, 2023 , 51 (7) : 1868 -1882 . DOI: 10.14062/j.issn.0454-5648.20230090
Wei DONG, Qiming CHANG, Wenbo WANG, Shaobin YANG. Research Progress in Preparing Methods of g-C3N4 Nanosheets by Exfoliation[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (7) : 1868 -1882 . DOI: 10.14062/j.issn.0454-5648.20230090
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Year 2023 volume 51 Issue 7
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Article Info
doi: 10.14062/j.issn.0454-5648.20230090
  • Receive Date：2023-02-23
  • Online Date：2026-10-19
  • Published：2023-06-09
Article Data
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History
  • Received：2023-02-23
  • Revised：2023-04-05
Funding
Affiliations
    1.School of Materials Science and Engineering, Liaoning Technical University, Fuxin 123000, Liaoning, China
    2.Key Laboratory of Mineral High Value Conversion and Energy Storage Materials of Liaoning Province, Fuxin 123000, Liaoning, China

Corresponding:

YANG Shaobin (1963-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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