Photoluminescent Carbon Dots from 1,4-Addition Polymers

Photoluminescent carbon dots were synthesised directly by thermopyrolysis of 1,4‐addition polymers, allowing precise control of their properties. The effect of polymer composition on the properties of the carbon dots was investigated by TEM, IR, XPS, elemental analysis and fluorescence analysis, wit...

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Bibliographic Details
Published in:Chemistry : a European journal 2014-08, Vol.20 (35), p.10926-10931
Main Authors: Jiang, Zhiqiang, Nolan, Andrew, Walton, Jeffrey G. A., Lilienkampf, Annamaria, Zhang, Rong, Bradley, Mark
Format: Article
Language:English
Subjects:
Biotechnology
Carbon
Carbon - chemistry
Cells, Cultured
Chemistry
Culture
Fluorescence
Humans
imaging
Luminescence
Microscopy, Electron, Transmission
Nanoparticles
Photoluminescence
Polymers
Polymers - chemical synthesis
Polymers - chemistry
Polymers - pharmacokinetics
Quantum Dots
X-ray photoelectron spectroscopy
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Summary:Photoluminescent carbon dots were synthesised directly by thermopyrolysis of 1,4‐addition polymers, allowing precise control of their properties. The effect of polymer composition on the properties of the carbon dots was investigated by TEM, IR, XPS, elemental analysis and fluorescence analysis, with carbon dots synthesised from nitrogen‐containing polymers showing the highest fluorescence. The carbon dots with high nitrogen content were observed to have strong fluorescence in the visible region, and culture with cells showed that the carbon dots were non‐cytotoxic and readily taken up by three different cell lines. Light up: Nitrogen‐containing 1,4‐addition polymers yielded photoluminescent carbon dots, which displayed good cellular uptake (see figure). Conceptually, these polymers provide a scaffold that defines the size and properties of the carbon dots.
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.201403076