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Nanoporous Gold Embedded ZIF Composite for Enhanced Electrochemical Nitrogen Fixation
Abstract
The electrochemical nitrogen reduction reaction (NRR) offers an energy‐saving and environmentally friendly approach to produce ammonia under ambient conditions. However, traditional catalysts have extremely poor NRR performances because of their low activity and the competitive hydrogen evolution reaction. The high catalytic activity of nanoporous gold (NPG) and the hydrophobicity and molecular concentrating effect of the zeolitic imidazolate framework‐8 (ZIF‐8) were incorporated in the NPG@ZIF‐8 nanocomposite so that the ZIF‐8 shell could weaken hydrogen evolution and retard reactant diffusion. A highest Faradaic efficiency of 44 % and an excellent rate of ammonia production of (28.7±0.9) μg h−1 cm−2 were achieved, which are superior to traditional gold nanoparticles and NPG. Moreover, the composite catalyst shows high electrochemical stability and selectivity (98 %). The superior NRR performance makes NPG@ZIF‐8 one of the most promising water‐based NRR electrocatalysts for ammonia production.
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Cited by
Ammonia and Nitric Acid Demands for Fertilizer Use in 2050
Lim, J., Fernández, C. A., Lee, S. W., & Hatzell, M. C. (2021) · ACS Energy Letters · doi:10.1021/acsenergylett.1c01614 · Cited by 523
Dai, H., Yuan, X., Jiang, L., Wang, H., Zhang, J., Zhang, J., & Xiong, T. (2021) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2021.213985 · Cited by 503
Comprehensive Understanding of the Thriving Ambient Electrochemical Nitrogen Reduction Reaction
Zhao, X., Hu, G., Chen, G., Zhang, H., Zhang, S., & Wang, H. (2021) · Advanced Materials · doi:10.1002/adma.202007650 · Cited by 503
Recent progress in metal–organic frameworks (MOFs) for electrocatalysis
Li, C., Zhang, H., Liu, M., Lang, F.-F., Pang, J., & Bu, X.-H. (2023) · Industrial Chemistry & Materials · doi:10.1039/d2im00063f · Cited by 339
Self-citationRecent advances in electrocatalytic ammonia synthesis
Ouyang, L., Liang, J., Luo, Y., Zheng, D., Sun, S., Liu, Q., Hamdy, M. S., Sun, X., & Ying, B. (2023) · Chinese Journal of Catalysis · doi:10.1016/s1872-2067(23)64464-x · Cited by 266
Metadata
- Authors
- Yang, Y., Wang, S., Wen, H., Ye, T., Chen, J., Li, C., & Du, M.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2019-09-18
- Volume
- 58
- Issue
- 43
- Pages
- 15362-15366
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2969932786
- Cited by
- 274
- References
- 0
- FWCI
- 6.61
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yang, Y., Wang, S., Wen, H., Ye, T., Chen, J., Li, C., & Du, M. (2019). Nanoporous Gold Embedded ZIF Composite for Enhanced Electrochemical Nitrogen Fixation. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201909770
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