4.6 Article

Rapid Synthesis of Carbon Dots by Hydrothermal Treatment of Lignin

Journal

MATERIALS
Volume 9, Issue 3, Pages -

Publisher

MDPI
DOI: 10.3390/ma9030184

Keywords

carbon dots; lignin; H2O2; hydrothermal synthesis; bioimaging

Funding

  1. National Science Foundation of China [21401028, 21031001, 21571067, 51372091]
  2. higher school science and technology innovation project of Guangdong Province [cxzd1014]
  3. youth fund of Guangdong Provincial Academy of Sciences [qnjj201406]
  4. Microbial Talents Cultivation Fund of Guangdong Institute of Microbiology

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A rapid approach has been developed for the fluorescent carbon dots (CDs) by the hydrothermal treatment of lignin in the presence of H2O2. The as-synthesized CDs were found to emit blue photoluminescence with excellent photostability. Moreover, the CDs displayed biocompatibility, low cytotoxicity, and high water solubility properties. Finally, the as-resulted CDs were demonstrated to be excellent probes for bioimaging and biosensing applications.

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