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FeOCl/Ln (Ln = La or Y): efficient photo-Fenton catalysts for ibuprofen degradation

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Abstract

Rare earth element (La and Y) doped FeOCl has been successfully prepared, which shows efficient Fenton catalytic activity for ibuprofen degradation under simulated solar light. The degradation constants of FeOCl/La and FeOCl/Y in photo-Fenton catalysis are a factor of 7.12 and 5.21 times higher than that of FeOCl, respectively. According to DFT calculations, the doping of rare earth elements formed new catalytically active sites, which promoted the production of ˙OH radicals. The improved separation efficiency of photogenerated electron hole pairs in FeOCl/Ln (Ln = La or Y) also promotes the decomposition of H2O2 to produce ˙OH radicals. A synergistic mechanism for FeOCl/Ln (Ln = La or Y) is proposed for the enhanced catalytic performance.

Graphical abstract: FeOCl/Ln (Ln = La or Y): efficient photo-Fenton catalysts for ibuprofen degradation

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Publication details

The article was received on 18 Jul 2019, accepted on 26 Sep 2019 and first published on 27 Sep 2019


Article type: Paper
DOI: 10.1039/C9NJ03746B
New J. Chem., 2019, Advance Article

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    FeOCl/Ln (Ln = La or Y): efficient photo-Fenton catalysts for ibuprofen degradation

    X. Shi, C. Cui, L. Zhang, J. Zhang and G. Liu, New J. Chem., 2019, Advance Article , DOI: 10.1039/C9NJ03746B

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