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Carbon Dioxide Reduction by Iron Hangman Porphyrins
Open accessAbstract
Iron hangman porphyrins with phenol, guanidinium, and sulfonic acid proton donor groups placed above the Fe porphyrin platform reduce CO 2 to CO with Faradaic efficiencies >93%. Computations show that the activation of CO 2 at the Fe center is enhanced by the hanging group. Intramolecular hydrogen bonding from the phenol and guanidinium groups results in a 2.1–6.6 kcal/mol stabilization of CO 2 within the hangman pocket; the hanging sulfonate group is deprotonated, thus resulting in destabilization of the CO 2 adduct due to unfavorable electrostatic interactions. Electrochemical studies show that Fe hangman porphyrins exhibit canonical S-curve character; together with computation results, the apparent rate constant for CO 2 reduction is found to be governed by CO 2 binding within the hangman cleft.
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Cites
A review of catalysts for the electroreduction of carbon dioxide to produce low-carbon fuels
Qiao, J., Liu, Y., Hong, F., & Zhang, J. (2014) · Chem. Soc. Rev. · doi:10.1039/c3cs60323g · Cited by 2,990
Recent Advances in Inorganic Heterogeneous Electrocatalysts for Reduction of Carbon Dioxide
Zhu, D. D., Liu, J. L., & Qiao, S. Z. (2016) · Advanced Materials · doi:10.1002/adma.201504766 · Cited by 1,594
Cited by
Selectivity in Electrochemical CO2 Reduction
Saha, P., Amanullah, S., & Dey, A. (2022) · Accounts of Chemical Research · doi:10.1021/acs.accounts.1c00678 · Cited by 528
Porphyrin-based frameworks for oxygen electrocatalysis and catalytic reduction of carbon dioxide
Liang, Z., Wang, H.-Y., Zheng, H., Zhang, W., & Cao, R. (2021) · Chemical Society Reviews · doi:10.1039/d0cs01482f · Cited by 506
Enhancing oxygen reduction electrocatalysis by tuning interfacial hydrogen bonds
Wang, T., Zhang, Y., Huang, B., Cai, B., Rao, R. R., Giordano, L., Sun, S.-G., & Shao-Horn, Y. (2021) · Nature Catalysis · doi:10.1038/s41929-021-00668-0 · Cited by 384
Tang, T., Wang, Z., & Guan, J. (2022) · Advanced Functional Materials · doi:10.1002/adfm.202111504 · Cited by 304
Metadata
- Authors
- Margarit, C. G., Schnedermann, C., Asimow, N. G., & Nocera, D. G.
- Venue
- Organometallics
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-06-28
- Volume
- 38
- Issue
- 6
- Pages
- 1219-1223
- ISSN
- 0276-7333 (ISSN-L)
- 1520-6041
- OpenAlex
- W2811383227
- Cited by
- 164
- References
- 2
- FWCI
- 3.39
- Type
- journal article
- Language
- en
- Open access
- green
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- Margarit, C. G., Schnedermann, C., Asimow, N. G., & Nocera, D. G. (2019). Carbon Dioxide Reduction by Iron Hangman Porphyrins. Organometallics. https://doi.org/10.1021/acs.organomet.8b00334
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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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