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Jianfeng Gou,Qiuling Ma,Yuqi Cui,Xiaoyong Deng,Huixuan Zhang,Xiuwen Cheng,Xiaoli Li,Mingzheng Xie,Qingfeng Cheng,Huiling Liu 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.49 No.-
In this study, high visible light response and charge separation efficiency of body-centered cubic Ag3PO4sub-microcrystals were fabricated through ultrasound-precipitation process. Additionally, the parameterswere optimized by photocatalytic (PC) removal degradation of diclofenac based on response surfacemethodology. Results indicated that the PC removal efficiency of diclofenac was significantly affected byAg3PO4 content and pH value. Under the optimized conditions, 99.9% of diclofenac could be degradedwithin 16 min Xenon illumination. Furthermore, three PC removal degradation pathways of diclofenacwere proposed, including OH-adduct to aromatic ring, direct oxidation by photoinduced holes anddecarboxylation of side chain from the parent compound.
Jianfeng Gou,Xiaohui Li,Huixuan Zhang,Ruonan Guo,Xiaoyong Deng,Xiuwen Cheng,Mingzheng Xie,Qingfeng Cheng 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.59 No.-
Silver/silver chloride/exfoliated graphite (Ag/AgCl/EG) nano-photocatalyst was synthesized through precipitation and photoreduction processes. Afterwards, physicochemical properties of Ag/AgCl/EG were systematically studied by series of techniques. Results indicated that spherical-like Ag0 and AgCl with a diameter of 18.6 nm were deposited onto the surface of EG, resulting in the large surface area, strong visible absorbance and high charge separation efficiency. In addition, Ag/AgCl/EG exhibited high visible light photocatalytic (PC) activity for degradation of RhB (99.5%) and phenol (89.1%) solution. Also, the enhanced visible light PC mechanism was proposed and confirmed. Furthermore, Ag/AgCl/EG nano-photocatalyst performed good reusability even after six recycles utilization.