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Aggregation‐induced emission luminogen: A new perspective in the photo‐degradation of organic pollutants

Hu, Zhen; Li, Ying; Kang, Miaomiao; Islam, Md. Monarul; Chen, Mengsi; Zhang, Jun; Xiao, Ye; Feng, Xing; Redshaw, Carl; Zhang, Menglong; Chen, Qing; Xie, Sheng; Lam, Jacky W. Y.; Tang, Ben Zhong

Authors

Zhen Hu

Ying Li

Miaomiao Kang

Md. Monarul Islam

Mengsi Chen

Jun Zhang

Ye Xiao

Xing Feng

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Professor Carl Redshaw C.Redshaw@hull.ac.uk
Professor of Inorganic Materials Chemistry and REF Lead for Chemistry

Menglong Zhang

Qing Chen

Sheng Xie

Jacky W. Y. Lam

Ben Zhong Tang



Abstract

Both the variety and uniqueness of organic semiconductors has contributed to the rapid development of environmental engineering applications and renewable fuel production, typified by the photodegradation of organic pollutants or water splitting. This paper presents a rare example of an aggregation‐induced emission luminogen as a highly efficient photocatalyst for pollutant decomposition in an environmentally relevant application. Under irradiation, the tetraphenylethene‐based AIEgen (TPE‐Ca) exhibited high photo‐degradation efficiency of up to 98.7% of Rhodamine B (RhB) in aqueous solution. The possible photocatalytic mechanism was studied by electron paramagnetic resonance and X‐ray photoelectron spectroscopy spectra, electrochemistry, thermal imaging technology, ultra‐performance liquid chromatography and high‐definition mass spectrometry, as well as by density functional theory calculations. Among the many diverse AIEgens, this is the first AIEgen to be developed as a photocatalyst for the degradation of organic pollutants. This research will open up new avenues for AIEgens research, particularly for applications of environmental relevance.

Journal Article Type Article
Publication Date Apr 27, 2020
Journal EcoMat
Print ISSN 2567-3173
Electronic ISSN 2567-3173
Peer Reviewed Peer Reviewed
APA6 Citation Hu, Z., Li, Y., Kang, M., Islam, M. M., Chen, M., Zhang, J., …Tang, B. Z. (2020). Aggregation‐induced emission luminogen: A new perspective in the photo‐degradation of organic pollutants. Ecomat, https://doi.org/10.1002/eom2.12024
DOI https://doi.org/10.1002/eom2.12024
Keywords aggregation‐induced emission luminogen; photocatalysis mechanism; photodegradation; radical species

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