CdSe cluster-modified biogenic α-FeOOH based on macroporous biochar for Fenton-like reaction of As(III)

Yi Peng,Ying Yan,Jing Wang,Ziyang Xiang,Yanmei Li,Junhui Yang,Jinglin Yin,Wenlei Wang,Hongbo Xiao

Applied Surface Science（2022）

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摘要

•CdSe cluster-modified α-FeOOH was synthesized through plant enrichment-pyrolysis method.•An ultra-high H2O2 production rate of 655.75 μmol/L was achieved under visible light.•Abundant Fe2+ could directly activate H2O2, thereby producing ⋅OH radials sustainably.•CdSe doping caused the efficient two-electron reduction route for H2O2 production.•A photocatalysis-self Fenton-like reaction was conducted to the arsenic reduction.

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关键词

CdSe cluster,α-FeOOH,H2O2,Fenton-like reaction,As(III)

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