The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.
A facile synthesis of highly luminescent nitrogen-doped graphene quantum dots for the detection of 2,4,6-trinitrophenol in aqueous solution
Abstract
A facile bottom-up method for the synthesis of highly fluorescent nitrogen-doped graphene quantum dots (N-GQDs) has been developed via a one-step pyrolysis of citric acid and tris(hydroxymethyl)aminomethane. The obtained N-GQDs emitted strong blue fluorescence under 365 nm UV light excitation with a high quantum yield of 59.2%. They displayed excitation-independent behavior, high resistance to photobleaching and high ionic strength. In addition to the good linear relationship between the fluorescence intensity of the N-GQDs and pH in the range 2-7, the fluorescence intensity of the N-GQDs could be greatly quenched by the addition of a small amount of 2,4,6-trinitrophenol (TNP). A sensitive approach has been developed for the detection of TNP with a detection limit of 0.30 μM, and a linearity ranging from 1 to 60 μM TNP could be obtained. The approach was highly selective and suitable for TNP analysis in natural water samples.
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Cites
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Cited by
Properties, synthesis, and applications of carbon dots: A review
Ozyurt, D., Kobaisi, M. A., Hocking, R. K., & Fox, B. (2023) · Carbon Trends · doi:10.1016/j.cartre.2023.100276 · Cited by 640
Recent progress in two-dimensional inorganic quantum dots
Xu, Y., Wang, X., Zhang, W. L., Lv, F., & Guo, S. (2018) · Chemical Society Reviews · doi:10.1039/c7cs00500h · Cited by 304
Photobleaching and stabilization of carbon nanodots produced by solvothermal synthesis
Wang, W., Damm, C., Walter, J., Nacken, T. J., & Peukert, W. (2016) · Physical Chemistry Chemical Physics · doi:10.1039/c5cp04942c · Cited by 124
Covalent and Non-covalent Functionalized Nanomaterials for Environmental Restoration
Zhang, S., Malik, S., Ali, N., Khan, A., Bilal, M., & Rasool, K. (2022) · Topics in Current Chemistry · doi:10.1007/s41061-022-00397-3 · Cited by 50
Metadata
- Authors
- Lin, L., Rong, M., Lu, S., Song, X., Zhong, Y., Yan, J., Wang, Y., & Chen, X.
- Venue
- Nanoscale
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2015
- Volume
- 7
- Issue
- 5
- Pages
- 1872-1878
- ISSN
- 2040-3364 (ISSN-L)
- 2040-3372
- OpenAlex
- W2116659774
- Cited by
- 403
- References
- 38
- FWCI
- 11.76
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lin, L., Rong, M., Lu, S., Song, X., Zhong, Y., Yan, J., Wang, Y., & Chen, X. (2015). A facile synthesis of highly luminescent nitrogen-doped graphene quantum dots for the detection of 2,4,6-trinitrophenol in aqueous solution. Nanoscale. https://doi.org/10.1039/c4nr06365a
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