Fig. 3
Optical properties of Phellodendri Cortex Carbonisatus carbon dots (PCCC-CDs). a Fluorescence spectra, b ultraviolet-visible spectra (UV-Vis) and c Fourier transform infrared spectrum (FTIR)
Fig. 3 | Nanoscale Research Letters
Optical properties of Phellodendri Cortex Carbonisatus carbon dots (PCCC-CDs). a Fluorescence spectra, b ultraviolet-visible spectra (UV-Vis) and c Fourier transform infrared spectrum (FTIR)