Abstract A supported catalyst was prepared and its photocatalytic reduction Cr(Ⅵ) performance was tested. The photocatalytic technology was combined with the experimental teaching of physical chemistry. The g-C3N4/MIL-125(Ti) catalyst was prepared by solvothermal method.The structure, morphology and photocatalytic activity of the catalyst were characterized by X-ray powder diffraction (XRD), transmission electron microscope (TEM), N2 adsorption-desorption curve, UV-DRS, fluorescence spectroscopy (PL) and electrochemical impedance spectroscopy (EIS). The effects of the loading of g-C3N4 on the photocatalytic activity of Cr(Ⅵ) were investigated by characterization data and performance test results. The mechanism of the catalytic reaction was further explored. This experiment will enable students to acquire the frontiers of the catalytic discipline, understand the catalytic reaction and the basic principles of various modern test techniques. It can also improve students' comprehensive experimental ability, stimulate independent thinking and innovative consciousness, which is beneficial to the cultivation of innovative talents.
ZHANG Xiao-Dong, ZHANG Xia-Lu. Physical Chemistry Experiment: Preparation and Characterization of g-C3N4/MIL-125 (Ti) and Its Photocatalytic Reduction of Cr(Ⅵ)[J]. , 2019, 40(20): 35-39.
