Fig. 5. (a) UV-vis absorption spectra of SPh (1.67 × 10−3 mg mL−1) in the presence of C60. (b) Fluorescence spectra of SPh (1.67 × 10−3 mg mL−1) in the presence of C60. The concentrations of C60 are 0.00–5.50 × 10−6 M. The solvent is toluene.
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