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- W4308344577 abstract "Electrocatalytic nitrogen reduction reaction (eNRR) is a promising method for the sustainable production of ammonia as an alternative to the traditional energy-intensive Haber-Bosch process. In this work, an efficient strategy by atomic spin regulation to promote NRR through Fe-transition metal (TM) hybrid heteronuclear dual-atom catalysts has been studied. By means of DFT computations, the stability, activity, and selectivity of 30 kinds of Fe-based dual-atoms anchored on N-doped porous graphene are systematically investigated to evaluate their catalytic performance. Fe/MoNC is screened as an excellent NRR catalyst with the limiting potentials of 0.63 V, and also suppresses HER. In the Fe/MoNC, the neighboring Fe atom regulates the spin state of the Mo center in MoN4 from high-spin state (2.63 μB) to medium-spin state (0.74 μB), which can effectively relieve the strong overlapping between Mo 4d orbital with the NxHy intermediates, promote the desorption of reaction product, and eventually achieve a lower limiting potential. Interestingly, the archetype of the active center of nitrogenase is also a FeMo-cofactor, which is consistent with our screening results. The work may provide new insight into the mechanism of nitrogenase, and promote the rational design of efficient NRR catalysts by atomic spin regulation." @default.
- W4308344577 created "2022-11-11" @default.
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- W4308344577 date "2023-01-01" @default.
- W4308344577 modified "2023-10-14" @default.
- W4308344577 title "Spin regulation for efficient electrocatalytic N2 reduction over diatomic Fe-Mo catalyst" @default.
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- W4308344577 doi "https://doi.org/10.1016/j.jcis.2022.10.099" @default.
- W4308344577 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36327724" @default.
- W4308344577 hasPublicationYear "2023" @default.
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