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Effect of Exfoliation Method on the Photocatalytic Performances of Graphitic Carbon Nitride for Pollutant Degradation
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Junjiang ZHU, Yao XIAO, Yayu YAN, Xuelian XU, Ping XIAO, Zhiyan HE
Journal of the Chinese Ceramic Society | 2023, 51(1) : 40 - 48
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Journal of the Chinese Ceramic Society | 2023, 51(1): 40-48
• Research Articles •
Effect of Exfoliation Method on the Photocatalytic Performances of Graphitic Carbon Nitride for Pollutant Degradation
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Junjiang ZHU, Yao XIAO, Yayu YAN, Xuelian XU, Ping XIAO, Zhiyan HE
Affiliations
  • College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430200, China

    • ZHU Junjiang (1977-), male, Ph.D., Professor. E-mail:

About Author:

ZHU Junjiang (1977-), male, Ph.D., Professor. E-mail:

Published: 2023-01-20 doi: 10.14062/j.issn.0454-5648.20220355
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Several exfoliation methods including thermal treatment in air and hydrogen, ultrasonication, and chemical treatment with sodium borohydride were applied to modify the properties of bulk graphitic carbon nitride (g-CN). The prepared samples were characterized by X-ray diffraction, X-ray photoemission spectroscopy, Fourier transform infrared spectroscopy, UV-Vis diffuse reflectance spectroscope and N2 physisorption, and their photocatalytic performances were evaluated via the degradation of organic pollutants in aqueous solution. The results indicated that the exfoliation methods affect greatly on the physicochemical and photocatalytic properties of g-CN, and the optimum sample can be obtained by thermal treating in air (g-CN_A), showing 99.87% conversion at 40 min for the photocatalytic degradation of tetracycline hydrochloride, and the performance was preserved even after four cycles. The mechanism on the reaction intermediates with trapping experiments indicated that superoxide anion radicals (·O2-) are the main active species of the reaction.

graphitic carbon nitride  /  exfoliation method  /  photocatalytic degradation  /  tetracycline hydrochloride  /  reaction mechanism
朱君江, 肖瑶, 颜亚玉, 许雪莲, 肖萍, 何志艳. 剥离方式对石墨型氮化碳光催化降解污染物性能的影响. 硅酸盐学报, 2023 , 51 (1) : 40 -48 . DOI: 10.14062/j.issn.0454-5648.20220355
Junjiang ZHU, Yao XIAO, Yayu YAN, Xuelian XU, Ping XIAO, Zhiyan HE. Effect of Exfoliation Method on the Photocatalytic Performances of Graphitic Carbon Nitride for Pollutant Degradation[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (1) : 40 -48 . DOI: 10.14062/j.issn.0454-5648.20220355
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Year 2023 volume 51 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20220355
  • Receive Date：2022-07-19
  • Online Date：2026-10-20
  • Published：2023-01-20
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  • Received：2022-07-19
  • Revised：2022-08-05
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    College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430200, China
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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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