Bimodal Fluorescence and Magnetic Resonance Imaging Using Water-Soluble Hexagonal NaYF4:Ce,Tb,Gd Nanocrystals
Figure 3
Excitation and emission spectra of the NaYF4:Ce,Tb,Gd NCs in water solution with concentration of 1 mg/mL. The inset photograph shows the bright fluorescence of the solution under UV light irradiation.