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W-doped porous g-C3N4 photocatalyst was prepared by a hydrothermal method and characterized by XRD, SEM, BET and XPS. Enhancement of degradation efficiency of methyl orange (MO) by H2O2 addition was evaluated. The degradation efficiency achieves 99.6% within 60min under visible light. Based on first-order model, the rate constant (k) of the prepared composite is up to 3.12 times as high as that of...
In current work, TiO2 was modified by Ag/AgBr semiconductor and graphene to enhance its photocatalytic activity for the degradation of polyacrylamide (PAM). Ag–AgBr/TiO2–graphene (AATG) composite photocatalysts were prepared by the deposition–precipitation method combining a subsequent calcination process. The structure, surface morphology and chemical composition of AATG composite photocatalysts...
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