Abstract
Abstract Visible-light-active Ag 2 CrO 4 photocatalysts were first synthesized by a microwave hydrothermal (MH) method, which is highly efficient (180 °C for only 1 h). The products were characterized by XRD, SEM, Zeta potential and UV–vis diffuse reflectance spectroscopy. The photocatalytic activity of Ag 2 CrO 4 was evaluated by the degradation of PCP-Na aqueous solution under visible light irradiation. The reduction of total organic carbon (TOC) (about 98.2% after 5 h of irradiation) showed that the mineralization of PCP-Na over Ag 2 CrO 4 photocatalysts was realized. Additionally, the possible photocatalytic mechanism of the Ag 2 CrO 4 was proposed to elucidate its superior photocatalytic activity.
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