Journal
NEW JOURNAL OF CHEMISTRY
Volume 41, Issue 10, Pages 3930-3938Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7nj00058h
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Funding
- National Natural Science Foundation of China [51402207, 61675072, 51503140, 51502192, 11502158]
- Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi [2015129]
- Natural Science Foundation for Young Scientists of Shanxi Province [2014021039-6]
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As a kind of metal-free polymer, graphitic carbon nitride (g-C3N4) has captivated considerable attention. In this work, an efficient one-pot, economical and green pathway was investigated to simultaneously prepare highly fluorescent g-C3N4 quantum dots (g-C3N4 QDs) and ultrathin g-C3N4 nanosheets via ethanol-thermal treatment of bulk g-C3N4 in the presence of KOH. The as-obtained g-C3N4 QDs exhibited narrow particle size distribution with an average diameter of 3.3 +/- 0.3 nm. Benefiting from these alluring properties, such as excellent water solubility, bright blue fluorescence, favorable stability and good biocompatibility, the g-C3N4 QDs were successfully employed as a brand-new but promising candidate for bioimaging in vitro. Furthermore, this convenient strategy would open a new avenue for the large-scale synthesis of other layered materials.
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