The DOI matches its Crossref record; 52 of the 52 references it cites were found in a registry or an index.
Covalent organic frameworks with high quantum efficiency in sacrificial photocatalytic hydrogen evolution
Open accessAbstract
Organic semiconductors offer a tunable platform for photocatalysis, yet the more difficult exciton dissociation, compared to that in inorganic semiconductors, lowers their photocatalytic activities. In this work, we report that the charge carrier lifetime is dramatically prolonged by incorporating a suitable donor-acceptor (β-ketene-cyano) pair into a covalent organic framework nanosheet. These nanosheets show an apparent quantum efficiency up to 82.6% at 450 nm using platinum as co-catalyst for photocatalytic H 2 evolution. Charge carrier kinetic analysis and femtosecond transient absorption spectroscopy characterizations verify that these modified covalent organic framework nanosheets have intrinsically lower exciton binding energies and longer-lived charge carriers than the corresponding nanosheets without the donor-acceptor unit. This work provides a model for gaining insight into the nature of short-lived active species in polymeric organic photocatalysts.
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Cites
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Cited by
Qian, Y., Han, Y., Zhang, X., Yang, G., Zhang, G., & Jiang, H.-L. (2023) · Nature Communications · doi:10.1038/s41467-023-38884-w · Cited by 448
Engineering β-ketoamine covalent organic frameworks for photocatalytic overall water splitting
Yang, Y., Chu, X., Zhang, H.-Y., Zhang, R., Liu, Y.-H., Zhang, F.-M., Lu, M., Yang, Z.-D., & Lan, Y.-Q. (2023) · Nature Communications · doi:10.1038/s41467-023-36338-x · Cited by 281
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Metadata
- Authors
- Li, C., Liu, J., Li, H., Wu, K., Wang, J., & Yang, Q.
- Venue
- Nature Communications
- Published
- 2022-04-29
- Volume
- 13
- Issue
- 1
- Pages
- 2357-2357
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W4225148539
- Cited by
- 438
- References
- 52
- FWCI
- 17.27
- Type
- journal article
- Language
- en
- Open access
- gold
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