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A) Time-dependent conversion and B) semilogarithmic plots of the photodegradation of phenol, 4-chlorophenol, 2,4-dichlorophenol, 4-nitrophenol, triclosan and ethinyl estradiol under visible light irradiation (t>0 min) using β-Bi2O3 nanoparticles as photocatalyst.
