The transition metal tantalum was introduced into the hexagonal tungsten oxide structure by a hydrothermal method to obtain nanowire-shaped tantalum-tungsten bronze (TaxWO3), with good sample uniformity and high purity. Low-valence, large-radius tantalum ions are doped into the structure of tungsten oxide, which affects its unit cell parameters, the lattice is distorted, the proportion of oxygen vacancies on the surface of the material increases, the energy gap of electronic transitions decreases, and the photocatalytic properties of the material Performance is significantly improved. Moreover, tantalum tungsten bronze (TaxWO3) has a relatively stable reducing ability to H+ under acidic conditions, and it is expected to have potential applications in the field of fuel cells.
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