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A Directional Synthesis for Topological Defect in Carbon
Open accessAbstract
Recently, defect electrocatalysis has become a research focus with significant advances. However, the control synthesis of target defects is still challenging to date, which is prerequisite for deeply understanding the intrinsic activity origin of metal-free catalysts. Herein, inspired by the theoretical demonstration, we report a general edge-engineering strategy to fulfill controlling definitive defect configurations in carbons by the direct removal of specific nitrogen (N) doping sites, representing as one-to-one conversion; e.g., graphitic-N to divacancy (C585), pyridinic-N to separate pentagon (S-C5), and pyrrolic-N to adjacent pentagons (A-C5). Electrochemical measurements reveal that A-C5 defects prefer oxygen reduction reaction (ORR) catalysis, whereas C585 defects are more favorable toward hydrogen evolution reaction (HER). This work provides insights into the design of high-performance carbon-based catalysts based on the principles of defect formation.
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Citations
Cites
Origin of the Overpotential for Oxygen Reduction at a Fuel-Cell Cathode
Nørskov, J. K., Rossmeisl, J., Logadottir, A., Lindqvist, L., Kitchin, J. R., Bligaard, T., & Jónsson, H. (2004) · The Journal of Physical Chemistry B · doi:10.1021/jp047349j · Cited by 13,153
Cited by
Defect Chemistry in Heterogeneous Catalysis: Recognition, Understanding, and Utilization
Xie, C., Yan, D., Li, H., Du, S., Chen, W., Wang, Y., Zou, Y., Chen, R., & Wang, S. (2020) · ACS Catalysis · doi:10.1021/acscatal.0c03034 · Cited by 623
Defect and Doping Co-Engineered Non-Metal Nanocarbon ORR Electrocatalyst
Zhang, J., Zhang, J., He, F., Chen, Y., Zhu, J., Wang, D., Mu, S., & Yang, H. Y. (2021) · Nano-Micro Letters · doi:10.1007/s40820-020-00579-y · Cited by 359
Ultra-dense carbon defects as highly active sites for oxygen reduction catalysis
Wu, Q., Jia, Y., Liu, Q., Mao, X., Guo, Q., Yan, X., Zhao, J., Liu, F., Du, A., & Yao, X. (2022) · Chem · doi:10.1016/j.chempr.2022.06.013 · Cited by 233
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Metadata
- Authors
- Wang, X., Jia, Y., Mao, X., Zhang, L., Liu, D., Song, L., Yan, X., Chen, J., Yang, D., Zhou, J., Wang, K., Du, A., & Yao, X.
- Venue
- Chem
- Publisher
- Elsevier BV
- Published
- 2020-08
- Volume
- 6
- Issue
- 8
- Pages
- 2009-2023
- ISSN
- 2451-9294 (ISSN-L)
- OpenAlex
- W3036608391
- Cited by
- 244
- References
- 1
- FWCI
- 5.54
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Wang, X., Jia, Y., Mao, X., Zhang, L., Liu, D., Song, L., Yan, X., Chen, J., Yang, D., Zhou, J., Wang, K., Du, A., & Yao, X. (2020). A Directional Synthesis for Topological Defect in Carbon. Chem. https://doi.org/10.1016/j.chempr.2020.05.010
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