Iron 3D‐Orbital Configuration Dependent Electron Transfer for Efficient Fenton‐Like Catalysis
Yijie Wu,
Xin Wang,
Tiantian She
et al.
Abstract:Transition metals are excellent active sites to activate peroxymonosulfate (PMS) for water treatment, but the favorable electronic structures governing reaction mechanism still remain elusive. Herein, the authors construct typical d‐orbital configurations on iron octahedral (FeOh) and tetrahedral (FeTd) sites in spinel ZnFe2O4 and FeAl2O4, respectively. ZnFe2O4 (136.58 min−1 F−1 cm2) presented higher specific activity than FeAl2O4 (97.47 min−1 F−1 cm2) for tetracycline removal by PMS activation. Considering o… Show more
This work reports a high-entropy perovskite La0.3Sr0.7(CrMnFeCoNi)0.2O3 as a high-performance OER electrocatalyst. Sr doping induces the formation of higher-valence Cr6+, Mn4+, Fe4+, Co4+ and Ni3+ responsible for the excellent OER activity.
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