Abstract
C-doped ZnO with different molar ratio of carbon content were synthesized by hydrothermal method. The samples were characterized by X-ray diffraction, nitrogen physisorption, Raman spectroscopy, Fourier transformed infrared, UV–vis diffuse reflectance spectroscopy, and photoluminescence spectra. The C-doped ZnO catalysts exhibited excellent photoactivity on bisphenol A degradation under UV irradiation in the presence of hydrogen peroxide. Under optimized conditions, C-doped ZnO reached 100% BPA degradation and 70% BPA mineralization after 24h of UV irradiation. The photocatalytic degradation was found to follow the Langmuir–Hinshelwood kinetic model. Furthermore, the detail degradation mechanism was investigated by the analysis of intermediates.
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