Photosensitization of Colloidal SnO₂ Semiconductor Nanoparticles with Xanthene Dyes

Figure 7

Fluorescence decay curve of (i) instrument response curve (Brown color decay), (ii) EN (4×10⁻⁶ M; red color), and (iii) EN in the presence of colloidal SnO₂ (5×10⁻⁴ M; blue color).