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Steric Modification of a Cobalt Phthalocyanine/Graphene Catalyst To Give Enhanced and Stable Electrochemical CO2 Reduction to CO
Open accessAbstract
Electrochemical conversion of CO 2 into CO using metal complex/carbon-based heterogenized hybrids can be both highly efficient and selective. The ways in which the molecular complexes are immobilized on the carbon substrates and participate in the electrocatalytic reactions that yield CO 2 reduction are not always well-understood. In this work, a highly soluble and sterically hindered cobalt(II) octaalkoxyphthalocyanine was successfully immobilized on chemically converted graphene via π–π stacking. In comparison to an analogous cobalt phthalocyanine/graphene catalyst, the alkoxy substitutions helped to suppress the phthalocyanine aggregation on the graphene sheets, resulting in a significantly enhanced catalytic activity by a single phthalocyanine molecule (∼5 s –1 at 480 mV overpotential) with stable CO conversion over 30 h of electrolysis.
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Cites
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Cited by
Zhang, X., Wang, Y., Gu, M., Wang, M., Zhang, Z., Pan, W., Jiang, Z., Zheng, H., Lucero, M., Wang, H., et al. (2020) · Nature Energy · doi:10.1038/s41560-020-0667-9 · Cited by 631
Tang, T., Wang, Z., & Guan, J. (2022) · Advanced Functional Materials · doi:10.1002/adfm.202111504 · Cited by 304
Wang, J.-W., Jiang, L., Huang, H.-H., Han, Z., & Ouyang, G. (2021) · Nature Communications · doi:10.1038/s41467-021-24647-y · Cited by 164
Metadata
- Authors
- Choi, J., Wagner, P., Gambhir, S., Jalili, R., MacFarlane, D. R., Wallace, G. G., & Officer, D. L.
- Venue
- ACS Energy Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-02-01
- Volume
- 4
- Issue
- 3
- Pages
- 666-672
- ISSN
- 2380-8195 (ISSN-L)
- OpenAlex
- W2912152019
- Cited by
- 265
- References
- 40
- FWCI
- 7.16
- Type
- journal article
- Language
- en
- Open access
- green
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- Choi, J., Wagner, P., Gambhir, S., Jalili, R., MacFarlane, D. R., Wallace, G. G., & Officer, D. L. (2019). Steric Modification of a Cobalt Phthalocyanine/Graphene Catalyst To Give Enhanced and Stable Electrochemical CO2 Reduction to CO. ACS Energy Letters. https://doi.org/10.1021/acsenergylett.8b02355
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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