The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Self‐Protective Room‐Temperature Phosphorescence of Fluorine and Nitrogen Codoped Carbon Dots
Abstract
The unstable triplet excited state is a core problem when developing self‐protective room temperature phosphorescence (RTP) in carbon dots (CDs). Here, fluorine and nitrogen codoped carbon dots (FNCDs) with long‐lived triplet excited states, emitting pH‐stabilized blue fluorescence and pH‐responsive green self‐protective RTP, are reported for the first time. The self‐protective RTP of FNCDs arises from n–π * electron transitions for CN/CN bonds with a small energy gap between singlet and triplet states at room temperature. Moreover, the interdot/intradot hydrogen bonds and steric protection of CF bonds reduce quenching of RTP by oxygen at room temperature. The RTP emission of FNCDs shows outstanding reversibility, while the blue fluorescence emission has good pH stability. Based on these FNCDs, a data encoding/reading strategy for advanced anticounterfeiting is proposed via time‐resolved luminescence imaging techniques, as well as steganography of complex patterns.
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Cites
Activating efficient phosphorescence from purely organic materials by crystal design
Bolton, O., Lee, K., Kim, H.-J., Lin, K. Y., & Kim, J. (2011) · Nature Chemistry · doi:10.1038/nchem.984 · Cited by 1,662
The Triplet State and Molecular Electronic Processes in Organic Molecules
Lower, S. K., & El-Sayed, M. A. (1966) · Chemical Reviews · doi:10.1021/cr60240a004 · Cited by 1,146
Cited by
Room-temperature phosphorescence from organic aggregates
Zhao, W., He, Z., & Tang, B. Z. (2020) · Nature Reviews Materials · doi:10.1038/s41578-020-0223-z · Cited by 1,766
Mintz, K. J., Zhou, Y., & Leblanc, R. M. (2019) · Nanoscale · doi:10.1039/c8nr10059d · Cited by 462
Carbon-based functional nanomaterials: Preparation, properties and applications
Li, Z., Wang, L., Li, Y., Feng, Y., & Feng, W. (2019) · Composites Science and Technology · doi:10.1016/j.compscitech.2019.04.028 · Cited by 384
Self-citationRecent Advances in Synthesis, Optical Properties, and Biomedical Applications of Carbon Dots
Anwar, S., Ding, H., Xu, M., Hu, X., Li, Z., Wang, J., Liu, L., Jiang, L., Wang, D., Dong, C., et al. (2019) · ACS Applied Bio Materials · doi:10.1021/acsabm.9b00112 · Cited by 367
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Metadata
- Authors
- Long, P., Feng, Y., Cao, C., Li, Y., Han, J., Li, S., Peng, C., Li, Z., & Feng, W.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2018-07-25
- Volume
- 28
- Issue
- 37
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2883258558
- Cited by
- 469
- References
- 2
- FWCI
- 17.98
- Type
- journal article
- Language
- en
- Open access
- closed
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- Long, P., Feng, Y., Cao, C., Li, Y., Han, J., Li, S., Peng, C., Li, Z., & Feng, W. (2018). Self‐Protective Room‐Temperature Phosphorescence of Fluorine and Nitrogen Codoped Carbon Dots. Advanced Functional Materials. https://doi.org/10.1002/adfm.201800791
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