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. Author manuscript; available in PMC: 2019 Jun 6.
Published in final edited form as: Phys Chem Chem Phys. 2018 Jun 6;20(22):15518–15527. doi: 10.1039/c8cp02675k

Figure 3.

Figure 3

Photographs depicting the solvent effects of glycerol (*) versus water (**) on the emission of carbon nanodots at highly acidic pH. Samples were photographed both under room light and 302 nm excitation with various longpass filters. It is important to note that brightness should not be directly compared between A and B, as photographs were taken using automatic settings and exposure time was not held constant. A – Heavy carbon nanodots collected into 5M HBr. B – Water dots collected into DI water then pH adjusted using 5M HCl.