Directing the persulfate activation reaction pathway by control of Fe-Nx/C single-atom catalyst coordination

Junjie Cheng,Xinman Tu, Pengxuan Wu,Rentao zhou,Shaohua Luo,Li Zhang,Jianping Zou,Yanhong Li,Hannah M. Johnson,Qiang Zhang

Chemical Engineering Journal（2024）

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Abstract

•Single-atom Fe catalysts with different coordination numbers were simply prepared.•Fe-N3/C/PMS system exhibits excellent degradation performance of TC.•The coordination numbers of single-atom Fe regulates the activation pathway of PMS.•The free radical/non-free radical co-oxidation has high reactivity and stability.•Electron transfer mechanisms between Fe-Nx/C and PMS are proposed.

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Key words

Peroxymonosulfate,Single-atom Fe,Hybrid oxidation,Coordination structures,Electron transfer

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