Unraveling the Origin of Sulfur-Doped Fe-N-C Single-Atom Catalyst for Enhanced Oxygen Reduction Activity: Effect of Iron Spin-State Tuning,Angewandte Chemie International Edition

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Unraveling the Origin of Sulfur-Doped Fe-N-C Single-Atom Catalyst for Enhanced Oxygen Reduction Activity: Effect of Iron Spin-State Tuning
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2021-09-22 , DOI: 10.1002/anie.202110243
Zhaoyang Chen, Huan Niu, Jie Ding, Heng Liu, Pei-Hsuan Chen, Yi-Hsuan Lu, Ying-Rui Lu, Wenbin Zuo, Lei Han, Yuzheng Guo, Sung-Fu Hung, Yueming Zhai

The enhanced oxygen reduction reaction (ORR) activity of sulfur-doped Fe-N-C single-atom catalysts is studied from Fe spin-state tuning. Operando ⁵⁷Fe Mössbauer spectra monitoring further supported the low-spin (LS) single-Fe³⁺-atom of the C-FeN₄-S moiety as the active site for the ORR.

中文翻译：

揭示用于增强氧还原活性的掺硫 Fe-NC 单原子催化剂的起源：铁自旋态调谐的影响

从Fe自旋态调谐研究了硫掺杂Fe-NC单原子催化剂的增强氧还原反应（ORR）活性。Operando ⁵⁷ Fe Mössbauer 光谱监测进一步支持C-FeN ₄ -S 部分的低自旋 (LS) 单 Fe ³⁺原子作为 ORR 的活性位点。

更新日期：2021-11-15

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