The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Facile, Quick, and Gram‐Scale Synthesis of Ultralong‐Lifetime Room‐Temperature‐Phosphorescent Carbon Dots by Microwave Irradiation
Abstract
Long‐lifetime room‐temperature phosphorescence (RTP) materials are important for many applications, but they are highly challenging materials owing to the spin‐forbidden nature of triplet exciton transitions. Herein, a facile, quick and gram‐scale method for the preparation of ultralong RTP (URTP) carbon dots (CDs) was developed via microwave‐assisted heating of ethanolamine and phosphoric acid aqueous solution. The CDs exhibit the longest RTP lifetime, 1.46 s (more than 10 s to naked eye) for CDs‐based materials to date. The doping of N and P elements is critical for the URTP which is considered to be favored by a n→π* transition facilitating intersystem crossing (ISC) for effectively populating triplet excitons. In addition, possibilities of formation of hydrogen bonds in the interior of the CDs may also play a significant role in producing RTP. Potential applications of the URTP CDs in the fields of anti‐counterfeiting and information protection are proposed and demonstrated.
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Cites
Glowing Graphene Quantum Dots and Carbon Dots: Properties, Syntheses, and Biological Applications
Zheng, X. T., Ananthanarayanan, A., Luo, K. Q., & Chen, P. (2015) · Small · doi:10.1002/smll.201402648 · Cited by 2,190
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
Cited by
Carbon Dots: A New Type of Carbon-Based Nanomaterial with Wide Applications
Liu, J., Li, R., & Yang, B. (2020) · ACS Central Science · doi:10.1021/acscentsci.0c01306 · Cited by 1,936
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
Molecular Probes for Autofluorescence-Free Optical Imaging
Jiang, Y., & Pu, K. (2021) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00506 · Cited by 426
Recent 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
Metadata
- Authors
- Jiang, K., Wang, Y., Gao, X., Cai, C., & Lin, H.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2018-04-25
- Volume
- 57
- Issue
- 21
- Pages
- 6216-6220
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2798057227
- Cited by
- 630
- References
- 2
- FWCI
- 22.77
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jiang, K., Wang, Y., Gao, X., Cai, C., & Lin, H. (2018). Facile, Quick, and Gram‐Scale Synthesis of Ultralong‐Lifetime Room‐Temperature‐Phosphorescent Carbon Dots by Microwave Irradiation. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201802441
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