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Synergistic Enhancement of Electrocatalytic Nitrogen Reduction Over Boron Nitride Quantum Dots Decorated Nb2CTx‐MXene
Abstract
Electrochemical N 2 fixation represents a promising strategy toward sustainable NH 3 synthesis, whereas the rational design of high‐performance catalysts for the nitrogen reduction reaction (NRR) is urgently required but remains challenging. Herein, a novel hexagonal BN quantum dots (BNQDs) decorated Nb 2 CTx–MXene (BNQDs@Nb 2 CTx) is explored as an efficient NRR catalyst. BNQDs@Nb 2 CTx presents the optimum NRR activity with an NH 3 yield rate of 66.3 µg h−1 mg−1 (−0.4 V) and a Faradaic efficiency of 16.7% (−0.3 V), outperforming most of the state‐of‐the‐art NRR catalysts, together with an excellent stability. Theoretical calculations revealed that the synergistic interplay of BNQDs and Nb 2 CTx enabled the creation of unique interfacial B sites serving as NRR catalytic centers capable of enhancing the N 2 activation, lowering the reaction energy barrier and impeding the H 2 evolution.
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Cites
Zhu, X.-D., Xie, Y., & Liu, Y.-T. (2018) · Journal of Materials Chemistry A · doi:10.1039/c8ta08374f · Cited by 208
Cited by
Li, X., Shen, P., Li, X., Ma, D., & Chu, K. (2023) · ACS Nano · doi:10.1021/acsnano.2c07911 · Cited by 369
Self-citationGong, Z., Zhong, W., He, Z., Liu, Q., Chen, H., Zhou, D., Zhang, N., Kang, X., & Chen, Y. (2022) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2021.121021 · Cited by 283
Metadata
- Authors
- Chu, K., Li, X., Li, Q., Guo, Y., & Zhang, H.
- Venue
- Small
- Publisher
- Wiley
- Published
- 2021-09-09
- Volume
- 17
- Issue
- 40
- Pages
- e2102363-e2102363
- ISSN
- 1613-6810 (ISSN-L)
- 1613-6829
- OpenAlex
- W3198385097
- Cited by
- 161
- References
- 1
- FWCI
- 6.47
- Type
- journal article
- Language
- en
- Open access
- closed
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- Chu, K., Li, X., Li, Q., Guo, Y., & Zhang, H. (2021). Synergistic Enhancement of Electrocatalytic Nitrogen Reduction Over Boron Nitride Quantum Dots Decorated Nb2CTx‐MXene. Small. https://doi.org/10.1002/smll.202102363
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