The DOI matches its Crossref record; 57 of the 57 references it cites were found in a registry or an index.
Amorphous Carbon Dots and their Remarkable Ability to Detect 2,4,6-Trinitrophenol
Open accessAbstract
Apparently mundane, amorphous nanostructures of carbon have optical properties which are as exotic as their crystalline counterparts. In this work we demonstrate a simple and inexpensive mechano-chemical method to prepare bulk quantities of self-passivated, amorphous carbon dots. Like the graphene quantum dots, the water soluble, amorphous carbon dots too, exhibit excitation-dependent photoluminescence with very high quantum yield (~40%). The origin and nature of luminescence in these high entropy nanostructures are well understood in terms of the abundant surface traps. The photoluminescence property of these carbon dots is exploited to detect trace amounts of the nitro-aromatic explosive — 2,4,6-trinitrophenol (TNP). The benign nanostructures can selectively detect TNP over a wide range of concentrations (0.5 to 200 µM) simply by visual inspection, with a detection limit of 0.2 µM, and consequently outperform nearly all reported TNP sensor materials.
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Cites
Electrophoretic Analysis and Purification of Fluorescent Single-Walled Carbon Nanotube Fragments
Xu, X., Ray, R., Gu, Y., Ploehn, H. J., Gearheart, L., Raker, K., & Scrivens, W. A. (2004) · Journal of the American Chemical Society · doi:10.1021/ja040082h · Cited by 5,323
Quantum-Sized Carbon Dots for Bright and Colorful Photoluminescence
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Carbon quantum dots and their applications
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Highly Photoluminescent Carbon Dots for Multicolor Patterning, Sensors, and Bioimaging
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Water‐Soluble Fluorescent Carbon Quantum Dots and Photocatalyst Design
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Full-Color Light-Emitting Carbon Dots with a Surface-State-Controlled Luminescence Mechanism
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An improved experimental determination of external photoluminescence quantum efficiency
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Metadata
- Authors
- Siddique, A. B., Pramanick, A. K., Chatterjee, S., & Ray, M.
- Venue
- Scientific Reports
- Published
- 2018-06-27
- Volume
- 8
- Issue
- 1
- Pages
- 9770-9770
- ISSN
- 2045-2322 (ISSN-L)
- OpenAlex
- W2809068920
- Cited by
- 267
- References
- 57
- FWCI
- 6.69
- Type
- journal article
- Language
- en
- Open access
- gold
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- Siddique, A. B., Pramanick, A. K., Chatterjee, S., & Ray, M. (2018). Amorphous Carbon Dots and their Remarkable Ability to Detect 2,4,6-Trinitrophenol. Scientific Reports. https://doi.org/10.1038/s41598-018-28021-9
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