Journal
CHEMSUSCHEM
Volume 11, Issue 19, Pages 3480-3485Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201801444
Keywords
ambient conditions; ammonia; electrocatalysis; gold; nitrogen reduction reaction
Funding
- National Natural Science Foundation of China [21601154, 21776255, 21701141]
- Natural Science Foundation of Zhejiang Province [LQ18B010005]
- China Postdoctoral Science Foundation [2018M632500]
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Electrochemical nitrogen reduction to ammonia is proposed as a promising alternative to the Haber-Bosch process because it can be driven by renewable electricity at ambient conditions. Currently, the development of such a process is hampered by the lack of efficient electrocatalysts for the nitrogen reduction reaction (NRR). Herein, we report a super-rapid approach for the synthesis of flower-like Au microstructures (Au flowers) within 5 s. The obtained Au structures are assembled by staggered nanoplates as building blocks, which provide abundant electrocatalytically active sites for the NRR. The Au flowers achieve a high performance (NH3 yield: 25.57 mu h(-1)mg(cat.)(-1); faradaic efficiency: 6.05%), 100% selectivity (no N2H4 production), and long-term durability toward the electrochemical ammonia production. The work is highly valuable for the rapid synthesis of active catalysts for the NRR.
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