Journal
MATERIALS LETTERS
Volume 196, Issue -, Pages 300-303Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.03.112
Keywords
One-step hydrothermal; N,S-CDs; Bioimaging; Fluorescence
Funding
- Henan Ministry of Education [14A150018]
- Key Programs of Henan for Science and Technology Development [142102310273]
- National Natural Science Foundation of China [30970696, 21172056]
- Program for Innovative Research Team in University of Henan Province [2012IRTSTHN006]
- PCSIRT [IRT1061]
- Instrumental Analysis Center of Tsinghua University
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The carbon dots have got much attention recently. Considering the environment protection, green materials are urgent. In this paper, nitrogen-and sulfur-co-doped carbon dots (N, S-CDs) were prepared through one-pot simple and convenient hydrothermal carbonization approach with green ginkgo leaves as the materials. The synthesized carbon dots were successfully doped with nitrogen and sulfur elements. The fluorescence intensities of carbon dots were rather stable in different pH and ionic strength. Furthermore, the green N, S-CDs were successfully applied in bioimaging as fluorescent probes due to its excellent optical properties and low cytotoxicity. (C) 2017 Elsevier B. V. All rights reserved.
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