期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 901, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2021.163589
关键词
Photocatalytic technology; Environment governance; Dye degradation; Catalytic mechanism
资金
- Natural Science Foundation of Shaanxi Province [2019JM-508]
- Scientific Research Project of Shaanxi University of Technology [SLG2107]
This review highlights the potential and application of photocatalytic technology in environmental governance, with a focus on graphite carbon nitride (g-C3N4) as a stable and efficient photocatalyst material. The impact of different nanomaterial dimensions on the degradation performance is discussed.
The increasing environment pollution is an urgent problem to be solved. Photocatalytic technology has potential application in environmental governance because of its low-cost, environmental friendliness, high efficiency, and high selectivity. Among the many photocatalyst materials available, graphite carbon nitride (g-C3N4) has been highlighted because of its high stability, nontoxicity, high adsorption capacity, and good photochemical properties for wasterwater treatment. However, few review reports have used g-C3N4 of different nanomaterial dimensions (0D, 1D, 2D, and 3D) with excellent electron transport, light absorption range, and large specific surface area in dye degradation. This review summarizes the following: the use of solar energy as the driving force of the photocatalysts as a starting point, the factors affecting photocatalytic performance in the preparation process, and the catalytic mechanism of the photocatalytic degradation of dyes. Moreover, this review discusses the practical applications of 0D, 1D, 2D, and 3D photocatalytic materials of g-C3N4 in the degradation of Rhodamine B (RhB), methylene blue (MB), and methyl orange (MO). Finally, the problems and challenges in the application of photocatalysts are discussed. (C) 2022 Elsevier B.V. All rights reserved.
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