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Cited by 269

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Cu3N Nanocubes for Selective Electrochemical Reduction of CO2 to Ethylene

Yin, Zhouyang, Yu, Chao, Zhao, Zhonglong, Guo, Xuefeng, Shen, Mengqi, Li, Na, Muzzio, Michelle, Li, Junrui, Liu, Hu, Lin, Honghong, Yin, Jie, Lu, Gang, Su, Dong, Sun, Shouheng·2019·Nano Letters

Abstract

Understanding the Cu-catalyzed electrochemical CO 2 reduction reaction (CO 2 RR) under ambient conditions is both fundamentally interesting and technologically important for selective CO 2 RR to hydrocarbons. Current Cu catalysts studied for the CO 2 RR can show high activity but tend to yield a mixture of different hydrocarbons, posing a serious challenge on using any of these catalysts for selective CO 2 RR. Here, we report a new perovskite-type copper(I) nitride (Cu 3 N) nanocube (NC) catalyst for selective CO 2 RR. The 25 nm Cu 3 N NCs show high CO 2 RR selectivity and stability to ethylene (C 2 H 4 ) at −1.6 V (vs reversible hydrogen electrode (RHE)) with the Faradaic efficiency of 60%, mass activity of 34 A/g, and C 2 H 4 /CH 4 molar ratio of >2000. More detailed electrochemical characterization, X-ray photon spectroscopy, and density functional theory calculations suggest that the high CO 2 RR selectivity is likely a result of (100) Cu(I) stabilization by the Cu 3 N structure, which favors CO–CHO coupling on the (100) Cu 3 N surface, leading to selective formation of C 2 H 4 . Our study presents a good example of utilizing metal nitrides as highly efficient nanocatalysts for selective CO 2 RR to hydrocarbons that will be important for sustainable chemistry/energy applications.

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Metadata

Authors
Yin, Z., Yu, C., Zhao, Z., Guo, X., Shen, M., Li, N., Muzzio, M., Li, J., Liu, H., Lin, H., Yin, J., Lu, G., Su, D., & Sun, S.
Venue
Nano Letters
Published
2019-11-04
Volume
19
Issue
12
Pages
8658-8663
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
OpenAlex
W2988615383
Cited by
269
References
10
FWCI
5.41
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Cu3N Nanocubes for Selective Electrochemical Reduction of CO2 to Ethylene. https://app.cochat.ai/papers/10.1021/acs.nanolett.9b03324
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Yin, Z., Yu, C., Zhao, Z., Guo, X., Shen, M., Li, N., Muzzio, M., Li, J., Liu, H., Lin, H., Yin, J., Lu, G., Su, D., & Sun, S. (2019). Cu3N Nanocubes for Selective Electrochemical Reduction of CO2 to Ethylene. Nano Letters. https://doi.org/10.1021/acs.nanolett.9b03324

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