Fig. 2From: Synthesis of Yellow-Fluorescent Carbon Nano-dots by Microplasma for Imaging and Photocatalytic Inactivation of Cancer CellsXPS spectra of CQDs. A Full-scale XPS spectra of the CQDs; B High-resolution of C 1s spectrum; C high-resolution of N 1s spectrum; D High-resolution of O 1s spectrumBack to article page