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Selective Electrochemical Reduction of Carbon Dioxide to Ethanol on a Boron- and Nitrogen-Co-doped Nanodiamond

Liu, Yanming and Zhang, Yujing and Cheng, Kai and Quan, Xie and Fan, Xinfei and Su, Yan and Chen, Shuo and Zhao, Huimin and Zhang, Yaobin and Yu, Hongtao and Hoffmann, Michael R. (2017) Selective Electrochemical Reduction of Carbon Dioxide to Ethanol on a Boron- and Nitrogen-Co-doped Nanodiamond. Angewandte Chemie International Edition, 56 (49). pp. 15607-15611. ISSN 1433-7851.

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Electrochemical reduction of CO_2 to ethanol, a clean and renewable liquid fuel with high heating value, is an attractive strategy for global warming mitigation and resource utilization. However, converting CO_2 to ethanol remains great challenge due to the low activity, poor product selectivity and stability of electrocatalysts. Here, the B- and N-co-doped nanodiamond (BND) was reported as an efficient and stable electrode for selective reduction of CO_2 to ethanol. Good ethanol selectivity was achieved on the BND with high Faradaic efficiency of 93.2 % (−1.0 V vs. RHE), which overcame the limitation of low selectivity for multicarbon or high heating value fuels. Its superior performance was mainly originated from the synergistic effect of B and N co-doping, high N content and overpotential for hydrogen evolution. The possible pathway for CO_2 reduction revealed by DFT computation was CO_2→*COOH→*CO→*COCO→*COCH_2OH→*CH_2OCH_2OH→CH_3CH_2OH.

Item Type:Article
Related URLs:
URLURL TypeDescription
Zhao, Huimin0000-0002-9069-6739
Hoffmann, Michael R.0000-0001-6495-1946
Additional Information:© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. Version of record online: 24 October 2017; Accepted manuscript online: 15 September 2017; Manuscript Revised: 6 September 2017; Manuscript Received: 21 June 2017. This work was supported by National Natural Science Foundation of China (grant numbers 21590813 and 21437001) and the Programme of Introducing Talents of Discipline to Universities (B13012). The authors declare no conflict of interest.
Funding AgencyGrant Number
National Natural Science Foundation of China21590813
National Natural Science Foundation of China21437001
Programme of Introducing Talents of Discipline to UniversitiesB13012
Subject Keywords:CO2 reduction; doped nanodiamond; electrocatalysis; ethanol; heterogeneous catalysis
Issue or Number:49
Record Number:CaltechAUTHORS:20171030-133517104
Persistent URL:
Official Citation:Y. Liu, Y. Zhang, K. Cheng, X. Quan, X. Fan, Y. Su, S. Chen, H. Zhao, Y. Zhang, H. Yu, M. R. Hoffmann, Angew. Chem. Int. Ed. 2017, 56, 15607.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:82774
Deposited By: Tony Diaz
Deposited On:30 Oct 2017 20:57
Last Modified:09 Mar 2020 13:19

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