Study of Silver Nanoparticles Sensitized Fluorescence and Second-Order Scattering of Terbium(III)-Pefloxacin Mesylate Complex and Determination of Pefloxacin Mesylate

Figure 4

The fluorescence and second-order scattering spectra. (1) Silver nanoparticles-Tb(III)-PFLX (without filter), (2) silver nanoparticles-Tb(III)-PFLX (with filter), (3) Tb(III)-PFLX (without filter), and (4) Tb(III)-PFLX (with filter); 𝜆_ex=273 nm. Conditions: silver nanoparticles, 5.0×10⁻⁶ M; Tb(III), 2.0×10⁻⁴ M; PFLX, 1.0×10⁻⁶ M.