Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6505142 | Catalysis Today | 2016 | 11 Pages |
Abstract
- A Fe-N-C catalyst almost exclusively containing isolated iron atoms was synthesized.
- 57Fe Mössbauer spectroscopy identifies two quadrupole doublets, D1 and D2.
- D1 and D2, attributed to FeN4 moieties in N-doped carbon, do not vary down to 5Â K.
- The Lamb-Mössbauer factors of D1 and D2 were evaluated for the first time.
- A correlation between O2 reduction activity and the content of doublet D1 is found.
Keywords
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Catalysis
Authors
Moulay Tahar Sougrati, Vincent Goellner, Anna K. Schuppert, Lorenzo Stievano, Frédéric Jaouen,