期刊
CHEMICAL COMMUNICATIONS
卷 57, 期 77, 页码 9930-9933出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc03795a
关键词
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资金
- National Natural Science Foundation of China [51761024]
- Natural Science Foundation of Gansu Province [20JR10RA241]
- Longyuan Youth Innovative and Entrepreneurial Talents Project [[2021]17]
The study demonstrates that MoS2 quantum dots are an effective and durable catalyst for the electrocatalytic N-2 reduction reaction, with a high NH3 yield and faradaic efficiency. Computational analyses reveal that MoS2 QDs significantly facilitate N-2 adsorption and activation through side-on patterns, leading to an energetically-favored enzymatic pathway with ultra-low overpotential.
We demonstrate that MoS2 quantum dots (QDs) can be an effective and durable catalyst for the electrocatalytic N-2 reduction reaction (NRR), showing an NH3 yield of 39.6 mu g h(-1) mg(-1) with a faradaic efficiency of 12.9% at -0.3 V, far superior to MoS2 nanosheets and outperforming most reported NRR catalysts. Density functional theory computations unravel that the MoS2 QDs can dramatically facilitate N-2 adsorption and activation via side-on patterns, resulting in an energetically-favored enzymatic pathway with an ultra-low overpotential of 0.29 V.
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