Figure 3
PL spectra of the as-prepared GQDs with various excitation wavelengths. Inset: photograph of the GQDs in chlorobenzene taken under 365 nm UV light.
Figure 3 | NPG Asia Materials
PL spectra of the as-prepared GQDs with various excitation wavelengths. Inset: photograph of the GQDs in chlorobenzene taken under 365 nm UV light.
