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Recent progress in photoelectrocatalysis of g-C3N4 for water environment remediation

Water environmental pollutants have become one of the most serious environmental issues, and the removal of various environmental pollution (dyes, phenols, pesticides, heavy metal ions, etc.) is of particular concern because of their toxicity and refractory. Compared to conventional eliminating rout...

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Published in:Progress in natural science 2022-10, Vol.32 (5), p.538-553
Main Authors: Liang, Fenfen, Wang, Huifang, Yu, Ruoqi, Liu, Cheng, Wang, Yali, Bai, Lizhong, Hao, Chunli, Hao, Guodong
Format: Article
Language:English
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Summary:Water environmental pollutants have become one of the most serious environmental issues, and the removal of various environmental pollution (dyes, phenols, pesticides, heavy metal ions, etc.) is of particular concern because of their toxicity and refractory. Compared to conventional eliminating routes, photoelectrocatalysis (PEC), is considered as a promising strategy since it combines the advantages of photocatalysis (PC) and electrocatalysis (EC). However, it still encounters bottlenecks of scarce reaction sites and low product selectivity, restricting its development toward practical applications. In recent years, various of g–C3N4–based composites were used for the remediation of these typical environmental pollutants. Given this situation, this review summarizes the latest progress in the design and preparation of novel g–C3N4–based composites and their PEC degradation different pollution in the water environment. Some removal mechanisms are briefly discussed, and the prospects are presented for further research. [Display omitted] •Water and wastewater can be effectively treated through g-C3N4 based composites.•Photoelectrocatalysis ability of g-C3N4 based composites result in desirable removal performance.•Various environmental pollution are summarized and discussed.•Prospects of g-C3N4 based composites are presented.
ISSN:1002-0071
DOI:10.1016/j.pnsc.2022.09.009