Fig. 3

Fluorescence microscopy images of latent fingermarks developed with CD’s/ZIF-8 fluorescent powder on a glass and plastic. a TEM images of CD’s/ZIF-8 fluorescent powder. b The FTIR spectrums of the CD’s/ZIF-8 fluorescent powder (red), ZIF-8 (black), and CD’s (blue). c Normalized fluorescence emission spectra of CD’s and CD’s/ZIF-8 fluorescent powder under the excitation wavelength of 360 nm and inset photographs showing these CD’s/ZIF-8 fluorescent powder under natural light (left) and 365-nm UV light illumination (right) (Li et al. 2018) (Reproduced from CrystEngComm, 2018, with permission from the Royal Society of Chemistry)