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Molybdenum Carbide Nanodots Enable Efficient Electrocatalytic Nitrogen Fixation under Ambient Conditions
Abstract
Electrocatalytic nitrogen fixation is considered a promising approach to achieve NH 3 production. However, due to the chemical inertness of nitrogen, it is necessary to develop efficient catalysts to facilitate the process of nitrogen reduction. Here, molybdenum carbide nanodots embedded in ultrathin carbon nanosheets (Mo 2 C/C) are developed to serve as a catalyst candidate for highly efficient and robust N 2 fixation through an electrocatalytic nitrogen reduction reaction (NRR). The as‐synthesized Mo 2 C/C nanosheets show excellent catalytic performance with a high NH 3 yield rate (11.3 µg h−1 mg−1 Mo2C) and Faradic efficiency (7.8%) for NRR under ambient conditions. More importantly, the isotopic experiments using 15 N 2 as a nitrogen source confirm that the synthesized ammonia is derived from the direct supply of nitrogen. This result also demonstrates the possibility of high‐efficiency nitrogen reduction even though accompanied with vigorous hydrogen evolution.
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Cites
Two-Dimensional Molybdenum Carbide (MXene) as an Efficient Electrocatalyst for Hydrogen Evolution
Seh, Z. W., Fredrickson, K. D., Anasori, B., Kibsgaard, J., Strickler, A. L., Lukatskaya, M. R., Gogotsi, Y., Jaramillo, T. F., & Vojvodic, A. (2016) · ACS Energy Letters · doi:10.1021/acsenergylett.6b00247 · Cited by 1,482
Yang, X., Feng, X., Tan, H., Zang, H., Wang, X., Wang, Y., Wang, E., & Li, Y. (2016) · Journal of Materials Chemistry A · doi:10.1039/c5ta09507g · Cited by 188
Cited by
Ouyang, T., Ye, Y., Wu, C., Xiao, K., & Liu, Z. (2019) · Angewandte Chemie International Edition · doi:10.1002/anie.201814262 · Cited by 804
Defect engineering in earth-abundant electrocatalysts for CO2 and N2 reduction
Wang, Q., Lei, Y., Wang, D., & Li, Y. (2019) · Energy & Environmental Science · doi:10.1039/c8ee03781g · Cited by 574
Greatly Improving Electrochemical N 2 Reduction over TiO 2 Nanoparticles by Iron Doping
Wu, T., Zhu, X., Xing, Z., Mou, S., Li, C., Qiao, Y., Liu, Q., Luo, Y., Shi, X., Zhang, Y., et al. (2019) · Angewandte Chemie International Edition · doi:10.1002/anie.201911153 · Cited by 499
Gu, Y., Wu, A., Jiao, Y., Zheng, H., Wang, X., Xie, Y., Wang, L., Tian, C., & Fu, H. (2021) · Angewandte Chemie International Edition · doi:10.1002/anie.202016102 · Cited by 363
Enhancing Electrocatalytic N2 Reduction to NH3 by CeO2 Nanorod with Oxygen Vacancies
Xu, B., Xia, L., Zhou, F., Zhao, R., Chen, H., Wang, T., Zhou, Q., Liu, Q., Cui, G., Xiong, X., et al. (2019) · ACS Sustainable Chemistry & Engineering · doi:10.1021/acssuschemeng.8b05007 · Cited by 151
Metadata
- Authors
- Cheng, H., Ding, L., Chen, G., Zhang, L., Xue, J., & Wang, H.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2018-10
- Volume
- 30
- Issue
- 46
- Pages
- e1803694-e1803694
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2894805156
- Cited by
- 758
- References
- 2
- FWCI
- 25.34
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cheng, H., Ding, L., Chen, G., Zhang, L., Xue, J., & Wang, H. (2018). Molybdenum Carbide Nanodots Enable Efficient Electrocatalytic Nitrogen Fixation under Ambient Conditions. Advanced Materials. https://doi.org/10.1002/adma.201803694
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