Abstract
High performance, recycling easily, green, and cheap are necessary for the practical application of photocatalysts. Here, a novel composite of amorphous carbon and magnesium oxide nanofibers (C/MgO-F-600) is fabricated by an electrospinning method. Instead of organic solvents, H2O is employed as the electrospinning solvent, which is environmentally friendly. The degradation efficiency of C/MgO-F-600 to methylene blue (MB) is 91.51%, which is about 1.9 times higher than that of MgO-600 nanosheets. The enhanced photocatalytic activity of the C/MgO-F-600 is mainly ascribed to the moderate content of oxygen vacancies and 1D nanofiber structure, resulting in the higher photocurrent density, photocatalytic activity and the lowest bandgap and impedance. This work provides the feasibility for the improvement of wide bandgap photocatalysts (MgO) in practical applications.
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