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Issue 4, 2015
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One step synthesis of fluorescent carbon dots through pyrolysis of N-hydroxysuccinimide

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Abstract

Fluorescent carbon dots were prepared via a simple and straightforward one-step pyrolytic process using N-hydroxysuccinimide. The prepared C-dots present remarkable photoluminescence with blue to green shifting emission and absolute quantum yields varying from 14 to 31% as a function of the excitation wavelength and selected dispersion media. Interestingly, up-conversion from NIR to the visible range was not only instrumentally recorded but even visually observable. Further, the composition and morphology of the prepared C-dots were studied using XPS, FT-IR, Raman, P-XRD, DLS and AFM as investigation methods. Since the majority of C-dot studies are biased towards fluorescent labeling in cellular imaging, their photoluminescence properties, physicochemical stability and ease of fabrication are expected to play a key role in applications ranging from sensors to efficient solar energy conversion or high performance optoelectronic devices.

Graphical abstract: One step synthesis of fluorescent carbon dots through pyrolysis of N-hydroxysuccinimide

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Supplementary files

Article information


Submitted
21 Oct 2014
Accepted
19 Nov 2014
First published
24 Nov 2014

J. Mater. Chem. C, 2015,3, 789-795
Article type
Paper
Author version available

One step synthesis of fluorescent carbon dots through pyrolysis of N-hydroxysuccinimide

C. S. Stan, C. Albu, A. Coroaba, M. Popa and D. Sutiman, J. Mater. Chem. C, 2015, 3, 789
DOI: 10.1039/C4TC02382J

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