Abstract
Heterojunction photocatalysts for environmental pollutant removal have attracted great attention because of their excellent photocatalytic efficiency. In this study, we report a novel Ba5Ta4O15/AgVO3 heterojunction photocatalyst with excellent photocatalytic activity, which was synthesized by a facile, two-step, self-assembly strategy. Transmission electron microscopy (TEM) reveals that Ba5Ta4O15 nanosheets adhered to the surface of AgVO3 nanoribbons to form Ba5Ta4O15/AgVO3 heterojunctions. The as-obtained photocatalysts exhibited enhanced photocatalytic activities for Acid Red G (ARG) degradation, which are almost 2.7 times higher than that of AgVO3. The trapping experiments, electrochemical and electron paramagnetic resonance analyses altogether indicate that the enhanced photocatalytic performance could be attributed to the synergy effect of the hole dominated charge transform path and localized surface plasmon resonance (LSPR). Finally, a possible photocatalytic mechanism of the photocatalytic progres...
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