The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.
Highly Fluorescent Polyimide Covalent Organic Nanosheets as Sensing Probes for the Detection of 2,4,6-Trinitrophenol
Abstract
A new fluorescent polyimide covalent organic framework (PI-COF) has been successfully synthesized through solvothermal route using tetra(4-aminophenyl) porphyrin and perylenetracarboxylic dianhydride, which possesses porous crystalline and excellent thermal stability (>500 °C). Furthermore, few-layered PI covalent organic nanosheets (PI-CONs) can be easily obtained from the fluorescent PI-COF through a facile liquid phase exfoliation approach, which were confirmed by atomic force microscopy and transmission electron microscopy analysis. It is interesting that the fluorescent intensity of PI-CONs is obviously enhanced relative to that of PI-COF. The PI-CONs have been successfully utilized as an efficient fluorescent probe for the highly sensitive and selective detection of 2,4,6-trinitrophenol (TNP). The mechanism might be attributed to the combination of electron transfer and inner filter effect based on DFT calculations and spectral overlap data. The system exhibits a good linear response toward TNP over the range from 0.5 to 10 μM with a detection limit of 0.25 μM.
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Metadata
- Authors
- Zhang, C., Zhang, S., Yan, Y., Xia, F., Huang, A., & Xian, Y.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-04-07
- Volume
- 9
- Issue
- 15
- Pages
- 13415-13421
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2605329132
- Cited by
- 304
- References
- 33
- FWCI
- 11.97
- Type
- journal article
- Language
- en
- Open access
- closed
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