Preparation of coral-like Ag2MoO4–TiO2 heterostructure and its photocatalytic properties

Highlights: • TiO₂ nanofibers were successfully prepared by electrospinning followed by impregnation calcination. • By the hydrothermal method, Ag₂MoO₄ nanoparticles were successfully deposited on the surface of nanofibers. • With the silver molybdate nanoparticles, Ag₂MoO₄–TiO₂ heterostructure showed a good UV-light photocatalytic efficiency. -- Abstract: In this work, TiO₂ nanofibers were prepared by combining electrospinning with an impregnation calcination technique. Ag₂MoO₄ nanoparticles at various concentrations were successfully deposited onto the surface of the nanofibers by hydrothermal synthesis method. Photocatalytic activities of samples for methyl orange degradation were investigated. The results indicate that Ag₂MoO₄–TiO₂ nanofibers could efficiently degrade methyl orange upon the irradiation with UV-light, showing a greater photocatalytic activity than the pure titanium dioxide.