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Fully Conjugated Two‐Dimensional sp2‐Carbon Covalent Organic Frameworks as Artificial Photosystem I with High Efficiency
Abstract
The synthesis of fully conjugated sp 2‐carbon covalent organic frameworks (COF) is extremely challenging given the difficulty of the formation of very stable carbon‐carbon double bonds (‐C=C‐). Here, we report the successful preparation of a 2D COF (TP‐COF) based on triazine as central planar units bridged by sp 2‐carbon linkers through the ‐C=C‐ condensation reaction. High‐resolution‐transmission electron microscopy (HRTEM) clearly confirmed the tessellated hexagonal pore structure with a pore center‐to‐center distance of 2 nm. Powder X‐ray diffraction (PXRD) together with structural simulations revealed an AA stacking mode of the obtained layered structure. TP‐COF turned out to be an excellent semiconductor material with a LUMO energy of −3.23 eV and a band gap of 2.36 eV. Excitingly, this novel sp 2‐carbon conjugated TP‐COF exhibited unprecedented coenzyme regeneration efficiency and can significantly boost the coenzyme‐assisted synthesis of l‐glutamate to a record‐breaking 97 % yield within 12 minutes.
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Cites
Photosynthetic energy conversion: natural and artificial
Barber, J. (2009) · Chem. Soc. Rev. · doi:10.1039/b802262n · Cited by 1,843
Cited by
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
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Metadata
- Authors
- Zhao, Y., Liu, H., Wu, C., Zhang, Z., Pan, Q., Hu, F., Wang, R., Li, P., Huang, X., & Li, Z.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2019-03-13
- Volume
- 58
- Issue
- 16
- Pages
- 5376-5381
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2912527828
- Cited by
- 328
- References
- 1
- FWCI
- 15.28
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhao, Y., Liu, H., Wu, C., Zhang, Z., Pan, Q., Hu, F., Wang, R., Li, P., Huang, X., & Li, Z. (2019). Fully Conjugated Two‐Dimensional sp2‐Carbon Covalent Organic Frameworks as Artificial Photosystem I with High Efficiency. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201901194
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