Yang, Z., Li, Z., Xu, M., Ma, Y., Zhang, J., Su, Y., Gao, F., Wei, H., & Zhang, L. (2013). Controllable Synthesis of Fluorescent Carbon Dots and Their Detection Application as Nanoprobes. Nano-Micro Letters, 5(4), 247-259. https://doi.org/10.1007/BF03353756