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β-Ketoenamine-Linked Covalent Organic Frameworks Capable of Pseudocapacitive Energy Storage
Abstract
Two-dimensional covalent organic frameworks (2D COFs) are candidate materials for charge storage devices because of their micro- or mesoporosity, high surface area, and ability to predictably organize redox-active groups. The limited chemical and oxidative stability of established COF linkages, such as boroxines and boronate esters, precludes these applications, and no 2D COF has demonstrated reversible redox behavior. Here we describe a β-ketoenamine-linked 2D COF that exhibits reversible electrochemical processes of its anthraquinone subunits, excellent chemical stability to a strongly acidic electrolyte, and one of the highest surface areas of the imine- or enamine-linked 2D COFs. Electrodes modified with the redox-active COF show higher capacitance than those modified with a similar non-redox-active COF, even after 5000 charge-discharge cycles. These findings demonstrate the promise of using 2D COFs for capacitive storage.
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Cites
Equation of State Calculations by Fast Computing Machines
Metropolis, N., Rosenbluth, A. W., Rosenbluth, M. N., Teller, A. H., & Teller, E. (1953) · The Journal of Chemical Physics · doi:10.1063/1.1699114 · Cited by 37,192
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Energy storage: The future enabled by nanomaterials
Pomerantseva, E., Bonaccorso, F., Feng, X., Cui, Y., & Gogotsi, Y. (2019) · Science · doi:10.1126/science.aan8285 · Cited by 1,927
Liu, R., Tan, K. T., Gong, Y., Chen, Y., Li, Z., Xie, S., He, T., Lu, Z., Yang, H., & Jiang, D. (2021) · Chemical Society Reviews · doi:10.1039/d0cs00620c · Cited by 1,083
Wang, H., Zeng, Z., Xu, P., Li, L., Zeng, G., Xiao, R., Tang, Z., Huang, D., Tang, L., Lai, C., et al. (2019) · Chemical Society Reviews · doi:10.1039/c8cs00376a · Cited by 804
Interface-Assisted Synthesis of 2D Materials: Trend and Challenges
Dong, R., Zhang, T., & Feng, X. (2018) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00056 · Cited by 710
Closed-loop recycling of plastics enabled by dynamic covalent diketoenamine bonds
Christensen, P. R., Scheuermann, A. M., Loeffler, K. E., & Helms, B. A. (2019) · Nature Chemistry · doi:10.1038/s41557-019-0249-2 · Cited by 676
Metadata
- Authors
- DeBlase, C. R., Silberstein, K. E., Truong, T.-T., Abruña, H. D., & Dichtel, W. R.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-10-29
- Volume
- 135
- Issue
- 45
- Pages
- 16821-16824
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2323852127
- Cited by
- 1,249
- References
- 1
- FWCI
- 16.58
- Type
- journal article
- Language
- en
- Open access
- closed
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- DeBlase, C. R., Silberstein, K. E., Truong, T.-T., Abruña, H. D., & Dichtel, W. R. (2013). β-Ketoenamine-Linked Covalent Organic Frameworks Capable of Pseudocapacitive Energy Storage. Journal of the American Chemical Society. https://doi.org/10.1021/ja409421d
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