The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.
Highly Efficient Red-Emitting Carbon Dots with Gram-Scale Yield for Bioimaging
Abstract
Carbon dots (CDs) are a new class of photoluminescent (PL), biocompatible, environment-friendly, and low-cost carbon nanomaterials. Synthesis of highly efficient red-emitting carbon dots (R-CDs) on a gram scale is a great challenge at present, which heavily restricts the wide applications of CDs in the bioimaging field. Herein, R-CDs with a high quantum yield (QY) of 53% are produced on a gram scale by heating a formamide solution of citric acid and ethylenediamine. The as-prepared R-CDs have an average size of 4.1 nm and a nitrogen content of about 30%, with an excitation-independent emission at 627 nm. After detailed characterizations, such strong red fluorescence is ascribed to the contribution from the nitrogen- and oxygen-related surface states and the nitrogen-derived structures in the R-CD cores. Our R-CDs show good photostability and low cytotoxicity, and thus they are excellent red fluorescence probes for bioimaging both in vitro and in vivo.
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Cites
Carbon quantum dots and their applications
Lim, S. Y., Shen, W., & Gao, Z. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00269e · Cited by 4,976
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Highly Photoluminescent Carbon Dots for Multicolor Patterning, Sensors, and Bioimaging
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The Scherrer equation versus the 'Debye-Scherrer equation'
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Full-Color Light-Emitting Carbon Dots with a Surface-State-Controlled Luminescence Mechanism
Ding, H., Yu, S.-B., Wei, J.-S., & Xiong, H.-M. (2016) · ACS Nano · doi:10.1021/acsnano.5b05406 · Cited by 2,530
Self-citationDong, Y., Pang, H., Yang, H. B., Guo, C., Shao, J., Chi, Y., Li, C. M., & Yu, T. (2013) · Angewandte Chemie International Edition · doi:10.1002/anie.201301114 · Cited by 2,267
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Electrochemical Tuning of Luminescent Carbon Nanodots: From Preparation to Luminescence Mechanism
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Carbon dots—Emerging light emitters for bioimaging, cancer therapy and optoelectronics
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Cited by
Ding, H., Wei, J., Zhang, P., Zhou, Z., Gao, Q., & Xiong, H. (2018) · Small · doi:10.1002/smll.201800612 · Cited by 667
Self-citationJiang, L., Ding, H., Xu, M., Hu, X., Li, S., Zhang, M., Zhang, Q., Wang, Q., Lu, S., Tian, Y., et al. (2020) · Small · doi:10.1002/smll.202000680 · Cited by 264
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Metadata
- Authors
- Ding, H., Wei, J.-S., Zhong, N., Gao, Q.-Y., & Xiong, H.-M.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-10-26
- Volume
- 33
- Issue
- 44
- Pages
- 12635-12642
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2766419874
- Cited by
- 288
- References
- 51
- FWCI
- 10.73
- Type
- journal article
- Language
- en
- Open access
- closed
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