The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.
Covalently Grafting Cobalt Porphyrin onto Carbon Nanotubes for Efficient CO2 Electroreduction
Abstract
Molecular complexes with inexpensive transition‐metal centers have drawn extensive attention, as they show a high selectivity in the electrochemical conversion of CO 2 to CO. In this work, we propose a new strategy to covalently graft cobalt porphyrin onto the surface of a carbon nanotube by a substitution reaction at the metal center. Material characterization and electrochemical studies reveal that the porphyrin molecules are well dispersed at a high loading of 10 wt. %. As a result, the turnover frequency for CO formation is improved by a factor of three compared to traditional physically‐mixed catalysts with the same cobalt content. This leads to an outstanding overall current density of 25.1 mA cm−2 and a Faradaic efficiency of 98.3 % at 490 mV overpotential with excellent long‐term stability. This work provides an effective pathway for the improvement of the performance of electrocatalysts that could inspire rational design of molecular catalysts in the future.
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Cited by
Electrocatalytic reduction of carbon dioxide: opportunities with heterogeneous molecular catalysts
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Metadata
- Authors
- Zhu, M., Chen, J., Huang, L., Ye, R., Xu, J., & Han, Y.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2019-02-14
- Volume
- 58
- Issue
- 20
- Pages
- 6595-6599
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2912288803
- Cited by
- 267
- References
- 36
- FWCI
- 7.99
- Type
- journal article
- Language
- en
- Open access
- closed
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